NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Basic:
Net income	$ 6,112	$ 4,148
Weighted-average shares outstanding	3,910,940	4,192,365
Basic earnings per share	$ 1.56	$ 0.99
Diluted:
Net income	$ 6,112	$ 4,148
Weighted-average shares outstanding	3,910,940	4,192,365
Effect of dilutive securities - stock options & performance awards	167,000	106,000
Weighted-average shares used in calculation of diluted earnings per share	4,078,087	4,298,332
Diluted earnings per share	$ 1.5	$ 0.97