SHARE-BASED COMPENSATION - Options Rollforward (Details) - $ / shares	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Option Activity
Outstanding, beginning of fiscal year, Options (in shares)	1,189,550	1,937,400	5,111,490
Granted (in shares)	0	288,386	159,057
Exercised, Options (shares)	(244,393)	(667,184)	(2,283,201)
Forfeited, Options (in shares)	(71,927)	(369,052)	(1,049,946)
Outstanding, end of fiscal year, Options (in shares)	873,230	1,189,550	1,937,400
Options exercisable, end of fiscal year, Options (in shares)	546,339	373,950	507,965
Weighted Average Exercise Price Activity
Outstanding, beginning of fiscal year, Price (in dollars per share)	$ 3.28	$ 3.75	$ 5.70
Granted, Price (in dollars per share)	0.00	0.54	0.51
Exercised, Price (in dollars per share)	1.00	4.15	5.44
Forfeited, Price (in dollars per share)	3.37	5.75	9.47
Outstanding, end of fiscal year, Price (in dollars per share)	3.93	3.28	3.75
Options exercisable, end of fiscal year, Price (in dollars per share)	$ 5.34	$ 4.99	$ 6.08