Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Statutory Reserves [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2022	7,174,506
Balance at Dec. 31, 2022	$ 7	$ 62,017	$ 2,598	$ (53,525)	$ 1,200	$ 0	$ 12,297
Net loss for the period	0	0	0	(1,143)	0	0	(1,143)
Foreign currency translation adjustment	0	0	0	0	(81)	0	(81)
Share-based compensation in exchange for services from employees and directors	$ 0	0	0	(191)	0	0	(191)
Balance (in shares) at Mar. 31, 2023	7,174,506
Balance at Mar. 31, 2023	$ 7	62,017	2,598	(54,859)	1,119	0	10,882
Balance (in shares) at Dec. 31, 2023	7,204,506
Balance at Dec. 31, 2023	$ 7	62,067	2,598	(59,690)	1,272	0	6,254
Noncontrolling equity interests in an acquired VIE	0	0	0	0	0	5	5
Net loss for the period	0	0	0	(850)	0	0	(850)
Foreign currency translation adjustment	$ 0	0	0	0	7	0	7
Balance (in shares) at Mar. 31, 2024	7,204,506
Balance at Mar. 31, 2024	$ 7	$ 62,067	$ 2,598	$ (60,540)	$ 1,279	$ 5	$ 5,416