NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Basic:
Net income	$ 1,349	$ 628
Weighted average shares outstanding	4,330,636	4,150,099
Basic earnings per share	$ 0.31	$ 0.15
Diluted:
Net income	$ 1,349	$ 628
Weighted average shares outstanding	4,330,636	4,150,099
Effect of dilutive securities - stock options	42,000	40,000
Weighted average shares used in calculation of diluted earnings per share	4,372,893	4,189,724
Diluted income per share	$ 0.31	$ 0.15