STOCK-BASED COMPENSATION, Stock Options (Details) - Stock Options [Member] - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019
Stock Option Activity [Roll Forward]
Outstanding, beginning balance (in shares)			2,388,169
Granted (in shares)			285,025
Exercised (in shares)	0	0	(2,500)	0
Forfeited (in shares)			(30,000)
Expired (in shares)			(66,756)
Outstanding, ending balance (in shares)	2,573,938		2,573,938
Weighted Average Exercise Price [Roll Forward]
Outstanding, beginning balance (in dollars per share)			$ 1.46
Granted (in dollars per share)			0.99
Exercised (in dollars per share)			0.90
Forfeited (in dollars per share)			1.20
Expired (in dollars per share)			1.72
Outstanding, ending balance (in dollars per share)	$ 1.40		1.40
Fair value of stock options (in dollars per share)			$ 0.57
Fair value of stock options vested			$ 136,000
Weighted average assumptions for stock options [Abstract]
Dividend yield			0.00%
Expected volatility			61.00%
Risk-free interest rate			3.09%
Expected lives			5 years 6 months
Options Outstanding [Abstract]
Balance as of end of period (in shares)	2,573,938		2,388,169		2,573,938
Weighted average remaining contractual life			7 years 1 month 10 days
Weighted average exercise price (in dollars per share)	$ 1.40		$ 1.46		$ 1.40
Options Exercisable [Abstract]
Balance as of end of period (in shares)					2,032,663
Weighted average remaining contractual life			6 years 7 months 10 days
Weighted average exercise price (in dollars per share)					$ 1.50
Options Vested or Expected to Vest [Abstract]
Balance as of end of period (in shares)					2,497,161
Weighted average remaining contractual life			7 years 22 days
Weighted average exercise price (in dollars per share)					$ 1.41
Additional Disclosures [Abstract]
Unrecognized stock-based compensation expense related to unvested awards					$ 231,000
Total compensation cost not yet recognized, period for recognition			18 months
Aggregate intrinsic value of stock options outstanding					205,000
Aggregate intrinsic value of stock options exercisable					205,000
Aggregate intrinsic value of stock options vested or expected to vest					$ 205,000
Aggregate intrinsic value of stock options exercised			$ 300