SHAREHOLDERS' EQUITY AND STOCK-BASED COMPENSATION, Stock Options (Details) - Stock Options [Member] - USD ($)	3 Months Ended
	Sep. 30, 2019	Mar. 31, 2018	Sep. 30, 2019
Stock Option Activity [Roll Forward]
Outstanding, beginning balance (in shares)	2,523,638
Granted (in shares)	70,000
Expired (in shares)	(15,600)
Outstanding, ending balance (in shares)	2,578,038
Weighted Average Exercise Price [Roll Forward]
Outstanding, beginning balance (in dollars per share)	$ 1.41
Granted (in dollars per share)	1.33
Expired (in dollars per share)	0.46
Outstanding, ending balance (in dollars per share)	$ 1.41
Fair value of stock options vested	$ 26,132,000
Options Outstanding [Abstract]
Balance as of end of period (in shares)	2,523,638		2,578,038
Weighted average remaining contractual life	6 years 9 months 25 days
Weighted average exercise price (in dollars per share)	$ 1.41		$ 1.41
Options Exercisable [Abstract]
Balance as of end of period (in shares)			2,081,763
Weighted average remaining contractual life	6 years 4 months 6 days
Weighted average exercise price (in dollars per share)			$ 1.49
Options Vested or Expected to Vest [Abstract]
Balance as of end of period (in shares)			2,497,408
Weighted average remaining contractual life	6 years 9 months
Weighted average exercise price (in dollars per share)			$ 1.42
Additional Disclosures [Abstract]
Unrecognized stock-based compensation expense related to unvested awards			$ 146,000
Total compensation cost not yet recognized, period for recognition	23 months
Aggregate intrinsic value of stock options outstanding			1,090,000
Aggregate intrinsic value of stock options exercisable			1,090,000
Aggregate intrinsic value of stock options vested or expected to vest			$ 1,090,000
Exercised (in shares)	0
Aggregate intrinsic value of stock options exercised		$ 300