INCOME TAXES - Deferred Tax Assets (Details) - USD ($)	Sep. 30, 2020	Mar. 31, 2020
Less: valuation allowance	$ (690,000)	$ (530,000)
Continuing Operations
Net operating loss carryforwards in the PRC	1,140,800	414,996
Net operating loss carryforwards in the U.S.	691,882	527,365
Allowance for doubtful accounts	192,355	178,381
Less: valuation allowance	(2,025,037)	(1,120,742)
Deferred Tax Assets Net	0	0
Discontinued Operations
Net operating loss carryforwards in the U.S.	2,457,279	2,206,673
Less: valuation allowance	(2,457,279)	(2,206,673)
Deferred Tax Assets Net	$ 0	$ 0