INCOME TAXES - Income tax provision (benefit) (Details) - USD ($)	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
INCOME TAXES
(Loss) income before income taxes	$ (542,189)	$ 425,511
Income tax (benefit) provision	(192,355)	104,880
Net (loss) income	(349,834)	320,631
Current
Federal	0	(76,185)
State	0	0
Total Current	0	(76,185)
Deferred
Federal	(567,459)	148,151
State	375,104	32,914
Total Deferred	(192,355)	181,065
Income tax (benefit) provision	(192,355)	104,880
U.S. operations
INCOME TAXES
(Loss) income before income taxes	$ (542,189)	435,534
Foreign operations
INCOME TAXES
(Loss) income before income taxes		$ (10,033)