SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and equipment, net (Details)	6 Months Ended
	Sep. 30, 2020
Minimum [Member] | Computer Equipment [Member]
Useful Life	2 years
Minimum [Member] | Office Equipment [Member]
Useful Life	3 years
Minimum [Member] | Automobiles [Member]
Useful Life	3 years
Maximum [Member] | Computer Equipment [Member]
Useful Life	5 years
Maximum [Member] | Office Equipment [Member]
Useful Life	5 years
Maximum [Member] | Automobiles [Member]
Useful Life	4 years