DISCONTINUED OPERATIONS - Reconciliation of major classes of income and losses (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating expenses
Net income (loss) attributable to stockholders	$ 7,875	$ (721,007)	$ (77,779)	$ (1,200,110)
Discontinued operations, abandonment | Online Lending Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	2,474	35,879	4,554	117,756
Operating expenses
Selling, general and administrative expenses	0	(496,472)	(88,438)	(1,076,527)
Impairments of intangible assets and goodwill	0	(266,534)	0	(266,534)
Total operating expenses	0	(763,006)	(88,438)	(1,343,061)
Income (loss) from discontinued operations	2,474	(727,127)	(83,884)	(1,225,305)
Other income, net	5,401	6,120	6,105	25,195
Income (loss) before income taxes	7,875	(721,007)	(77,779)	(1,200,110)
Income tax expenses	0	0	0	0
Net income (loss) attributable to stockholders	$ 7,875	$ (721,007)	$ (77,779)	$ (1,200,110)