Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Jun. 30, 2021	3,913
Balance at Jun. 30, 2021	$ 12,178	$ 4,233	$ 6,824	$ 2,399	$ 419	$ 26,053
Stock option expenses	0	22	0	0	0	22
Net income	$ 0	0	1,772	0	12	1,784
Exercise of stock option (in shares)	41
Exercise of stock option	$ 118	0	0	0	0	118
Translation adjustment	0	0		(32)	(6)	(38)
Dividend declared by subsidiary	$ 0	0	0	0	(119)	(119)
Balance (in shares) at Dec. 31, 2021	3,954
Balance at Dec. 31, 2021	$ 12,296	4,255	8,596	2,367	306	27,820
Balance (in shares) at Jun. 30, 2022	4,072
Balance at Jun. 30, 2022	$ 12,750	4,708	9,219	1,197	128	28,002
Stock option expenses	0	54	0	0	0	54
Net income	$ 0	0	1,389	0	154	1,543
Exercise of stock option (in shares)	5
Exercise of stock option	$ 19	0	0	0	0	19
Translation adjustment	$ 0	0	0	297	58	355
Balance (in shares) at Dec. 31, 2022	4,077
Balance at Dec. 31, 2022	$ 12,769	$ 4,762	$ 10,608	$ 1,494	$ 340	$ 29,973