EMPLOYEE AND NON-EMPLOYEE STOCK OPTIONS - Share-based Payment Arrangement, Option, Activity (Details) - USD ($)	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Shares
Outstanding beginning balance (in shares)	11,250	13,773
Granted (in shares)	0	0
Exercised (in shares)	0	2,523
Forfeited (in shares)	0	0
Repurchased (in shares)	0	0
Outstanding ending balance (in shares)	11,250	11,250	13,773
Exercisable (in shares)	11,250
Weighted Average Exercise Price Per Share
Weighted Average Exercise Price Per Share, Outstanding beginning balance (in USD per share)	$ 6.61	$ 6.69
Weighted Average Exercise Price Per Share, Granted (in USD per share)	0	0
Weighted Average Exercise Price Per Share, Exercised (in USD per share)	0	7.04
Weighted Average Exercise Price Per Share, Forfeited (in USD per share)	0	0
Weighted Average Exercise Price Per Share, Repurchased (in USD per share)	0	0
Weighted Average Exercise Price Per Share, Outstanding ending balance (in USD per share)	6.61	$ 6.61	$ 6.69
Weighted Average Exercise Price Per Share, Exercisable (in USD per share)	$ 6.61
Weighted Average Remaining Life (Years)	3 years 25 days	4 years 25 days	5 years 1 month 17 days
Weighted Average Remaining Life, Exercisable (Years)	3 years 25 days
Aggregate Intrinsic Value	$ 66,388	$ 152,075	$ 140,193
Aggregate Intrinsic Value, Exercisable	$ 66,388