NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Basic:
Net income	$ 4,450	$ 6,112
Weighted-average shares outstanding	3,796,516	3,910,940
Basic earnings per share	$ 1.17	$ 1.56
Diluted:
Net income	$ 4,450	$ 6,112
Weighted-average shares outstanding	3,796,516	3,910,940
Effect of dilutive securities - stock options & performance awards	139,000	167,000
Weighted-average shares used in calculation of diluted earnings per share	3,936,194	4,078,087
Diluted earnings per share	$ 1.13	$ 1.5