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Property and Equipment (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Property and Equipment (Textual)        
Depreciation expenses for property and equipment $ 413,008 $ 497,430 $ 1,108,159 $ 938,989