EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share [Abstract]
Net income (loss), as reported	$ (146)	$ (757)	$ 156	$ 75	$ 569	$ (668)	$ (227)	$ (967)	$ (672)	$ (1,293)	$ 13
Weighted average common shares outstanding (in shares)									16,055	15,949	15,448
Effect of dilutive stock options (in shares)									0	0	390
Weighted average diluted common shares outstanding (in shares)	16,082	16,082	16,068	16,093	16,029	15,994	15,929	15,868	16,055	15,949	15,838
Net income (loss) per common share
Basic and diluted (in dollars per share)	$ (0.01)	$ (0.05)	$ 0.01	$ 0.00	$ 0.04	$ (0.04)	$ (0.01)	$ (0.06)	$ (0.04)	$ (0.08)	$ 0.00
Employee stock options excluded from computation of diluted income per share amounts because their effect would be anti-dilutive (in shares)									402	304	137