XML 43 R72.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Other Noncurrent Assets (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Other Noncurrent Assets (Textual)        
Amortization of prepayment for lease of land use right $ 12,652 $ 6,812 $ 37,957 $ 20,487
Description of lease prepayment life     Extends the life of the lease to January 31, 2060.