NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended											12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Basic:
Net income	$ 1,617	$ 2,752	$ 1,203	$ 1,837	$ 574	$ 1,082	$ 1,080	$ 1,107	$ 2,161	$ 1,787	$ 1,115	$ 7,074	$ 4,572	$ 6,170
Weighted-average shares outstanding												3,571	3,636
Basic earnings per share	$ 0.46	$ 0.80	$ 0.33	$ 0.51	$ 0.16	$ 0.30	$ 0.30	$ 0.29	$ 0.57	$ 0.46	$ 0.29	$ 1.98	$ 1.26	$ 1.63
Diluted:
Weighted-average shares outstanding												3,571	3,636
Effect of dilutive securities – stock options & performance awards												66	127
Weighted-average shares used in calculation of diluted earnings per share												3,637	3,763
Diluted earnings per share	$ 0.45	$ 0.79	$ 0.33	$ 0.49	$ 0.15	$ 0.29	$ 0.29	$ 0.28	$ 0.54	$ 0.45	$ 0.28	$ 1.95	$ 1.21	$ 1.57