| 
                                Dec 2019
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2019
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2019
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                0
                             | 
                            
                            
                                0.00%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2019
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                100,000
                             | 
                            
                            
                                3.17%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2019
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                57,320
                             | 
                            
                            
                                1.82%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2019
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2019
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2019
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2018
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf .
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2018
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2018
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf .
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2018
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2018
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf .
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2018
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2018
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf .
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2017
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2017
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2017
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf .
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2017
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2017
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf .
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2017
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2017
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2017
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                            
                                
                                    0
                                 | 
                                
                                    0.00%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2016
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2016
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Sep 2016
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Sep 2016
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Jun 2016
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Jun 2016
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Mar 2016
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Mar 2016
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf .
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                        
                                         | 
                                    
                                    
                                        
                                         | 
                                    
                                
                                
                        
                        
                            | 
                                Dec 2015
                             | 
                            
                                
                                    Nirmal Kumar Chopra
                                
                             | 
                            
                                216,000
                             | 
                            
                            
                                6.85%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                        
                    
                        
                        
                            | 
                                Dec 2015
                             | 
                            
                                
                                    Nirmal Kumar Chopra Huf .
                                
                             | 
                            
                                118,000
                             | 
                            
                            
                                3.74%
                             | 
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 | 
                            
                            
                                
                                    -
                                 | 
                                
                                    -%
                                 |