Condensed Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ 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, 2020	3,673
Balance at Jun. 30, 2020	$ 11,424	$ 3,363	$ 8,036	$ 1,143	$ 1,180	$ 25,146
Stock option expenses	0	15	0	0	0	15
Net income / (loss)	0	0	227	0	(342)	(115)
Dividend declared by subsidiary	$ 0	0	0	0	(182)	(182)
Exercise of stock option (in shares)	37
Exercise of stock option	$ 101	0	0	0	0	101
Translation adjustment	$ 0	0	0	1,560	23	1,583
Balance (in shares) at Dec. 31, 2020	3,710
Balance at Dec. 31, 2020	$ 11,525	3,378	8,263	2,703	679	26,548
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 / (loss)	0	0	1,772	0	12	1,784
Dividend declared by subsidiary	$ 0	0	0	0	(119)	(119)
Exercise of stock option (in shares)	41
Exercise of stock option	$ 0	118	0	0	0	118
Translation adjustment	$ 0	0	0	(32)	(6)	(38)
Balance (in shares) at Dec. 31, 2021	3,954
Balance at Dec. 31, 2021	$ 12,178	$ 4,373	$ 8,596	$ 2,367	$ 306	$ 27,820