Consolidated Statements of Shareholders' Equity - 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	12	0	0	0	12
Net income	0	0	917	0	11	928
Translation adjustment	$ 0	0		(282)	(7)	(289)
Balance (in shares) at Sep. 30, 2021	3,913
Balance at Sep. 30, 2021	$ 12,178	4,245	7,741	2,117	423	26,704
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	32	0	0	0	32
Net income			882	0	96	978
Dividend declared by subsidiary	$ 0	0	0	0	0	0
Exercise of stock option (in shares)	5
Exercise of stock option	$ 19		0	0	0	19
Translation adjustment	$ 0		0	(1,196)	(17)	(1,213)
Balance (in shares) at Sep. 30, 2022	4,077
Balance at Sep. 30, 2022	$ 12,769	$ 4,740	$ 10,101	$ 1	$ 207	$ 27,818