EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Net income (loss), as reported	$ 2,166	$ (1,556)	$ 970	$ 686	$ 490	$ (1,125)	$ 779	$ 70	$ 2,266	$ 214	$ (672)
Weighted average common shares outstanding (in shares)									16,249	16,116	16,055
Effect of dilutive stock options (in shares)									182	7	0
Weighted average diluted common shares outstanding (in shares)	16,791	16,264	16,303	16,168	16,150	16,138	16,106	16,089	16,431	16,123	16,055
Net income (loss) per common share
Basic and diluted (in dollars per share)	$ 0.13	$ (0.10)	$ 0.06	$ 0.04	$ 0.03	$ (0.07)	$ 0.05	$ 0.00	$ 0.14	$ 0.01	$ (0.04)
Employee stock options excluded from computation of diluted income per share amounts because their effect would be anti-dilutive (in shares)									206	1,173	402