Other Noncurrent Assets (Details) - USD ($)		Dec. 31, 2019	Mar. 31, 2019
Other Assets, Noncurrent Disclosure [Abstract]
Forest land use rights	[1]	$ 1,024,851	$ 1,103,235
Others		109,792	92,962
Total		$ 1,134,643	$ 1,196,197

[1] The prepayment for lease of forest land use rights is a payment made to a local government in connection with entering into an operating land lease agreement. The land is currently used to cultivate Ginkgo trees. The forest rights certificate from the local village extends the life of the lease to January 31, 2060.