EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net income (loss), as reported	$ 490	$ (1,125)	$ 779	$ 70	$ (146)	$ (757)	$ 156	$ 75	$ 214	$ (672)	$ (1,293)
Weighted average common shares outstanding (in shares)									16,116	16,055	15,949
Effect of dilutive stock options (in shares)									7	0	0
Weighted average diluted common shares outstanding (in shares)	16,150	16,138	16,106	16,089	16,082	16,082	16,068	16,093	16,123	16,055	15,949
Net income (loss) per common share
Basic and diluted (in dollars per share)	$ 0.03	$ (0.07)	$ 0.05	$ 0.00	$ (0.01)	$ (0.05)	$ 0.01	$ 0.00	$ 0.01	$ (0.04)	$ (0.08)
Employee stock options excluded from computation of diluted income per share amounts because their effect would be anti-dilutive (in shares)									1,173	402	304