Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands		Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Statutory Reserves [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Noncontrolling Interest [Member]	Share-Based Payment Arrangement, Employee [Member] Common Stock [Member]		Share-Based Payment Arrangement, Employee [Member] Additional Paid-in Capital [Member]	Share-Based Payment Arrangement, Employee [Member] Statutory Reserves [Member]	Share-Based Payment Arrangement, Employee [Member] Retained Earnings [Member]	Share-Based Payment Arrangement, Employee [Member] AOCI Attributable to Parent [Member]	Share-Based Payment Arrangement, Employee [Member] Noncontrolling Interest [Member]	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, 2021	[1]														7,075,506
Balance at Dec. 31, 2021															$ 7	[1]	$ 61,813		$ 2,598	$ (43,734)	$ 1,082	$ 21,766
Share-based compensation in exchange for services from employees and directors (in shares)	[1]							19,000
Share-based compensation in exchange for services from employees and directors								$ 0	[1]	$ 16	$ 0	$ 0	$ 0	$ 32
Net income (loss)															0	[1]	0		0	(2,431)	0	(2,431)
Foreign currency translation adjustment															0	[1]	0		0	0	(17)	(17)
Foreign currency translation adjustment															$ 0	[1]	0		0	0	(17)	(17)
Share-based compensation in exchange for services from nonemployees (in shares)	[1]														80,000
Share-based compensation in exchange for services from nonemployees															$ 0	[1]	140		0	0	0	140
Balance (in shares) at Jun. 30, 2022	[1]														7,174,506
Balance at Jun. 30, 2022															$ 7	[1]	61,985		2,598	(46,165)	1,065	19,490
Balance (in shares) at Dec. 31, 2021	[1]														7,075,506
Balance at Dec. 31, 2021															$ 7	[1]	61,813		2,598	(43,734)	1,082	21,766
Net income (loss)																							$ (5,271)
Foreign currency translation adjustment																							76
Foreign currency translation adjustment																							76
Balance (in shares) at Sep. 30, 2022	[1]														7,174,506
Balance at Sep. 30, 2022															$ 7	[1]	62,001		2,598	(49,005)	1,158	16,759
Balance (in shares) at Jun. 30, 2022	[1]														7,174,506
Balance at Jun. 30, 2022															$ 7	[1]	61,985		2,598	(46,165)	1,065	19,490
Share-based compensation in exchange for services from employees and directors															0	[1]	16		0	0	0	16
Net income (loss)															0	[1]	0		0	(2,840)	0	(2,840)	(2,840)
Foreign currency translation adjustment															0	[1]	0		0	0	93	93	93
Foreign currency translation adjustment															$ 0	[1]	0		0	0	93	93	93
Balance (in shares) at Sep. 30, 2022	[1]														7,174,506
Balance at Sep. 30, 2022															$ 7	[1]	62,001		2,598	(49,005)	1,158	16,759
Balance (in shares) at Dec. 31, 2022	[1]														7,174,506
Balance (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022		$ 0	$ 0	$ 0	$ (191)	$ 0	$ (191)
Balance at Dec. 31, 2022															$ 7	[1]	62,017	[1]	2,598	(53,525)	1,200	12,297
Share-based compensation in exchange for services from employees and directors (in shares)															30,000
Share-based compensation in exchange for services from employees and directors															$ 0		25		0	0	0	25
Net income (loss)															0		0		0	(2,546)	0	(2,546)
Foreign currency translation adjustment															0		0		0	0	202	202
Foreign currency translation adjustment															$ 0		0		0	0	202	202
Balance (in shares) at Jun. 30, 2023															7,204,506
Balance at Jun. 30, 2023															$ 7		62,042		2,598	(56,262)	1,402	9,787
Balance (in shares) at Dec. 31, 2022	[1]														7,174,506
Balance (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022		$ 0	$ 0	$ 0	$ (191)	$ 0	$ (191)
Balance at Dec. 31, 2022															$ 7	[1]	62,017	[1]	2,598	(53,525)	1,200	12,297
Net income (loss)																							(4,066)
Foreign currency translation adjustment																							163
Foreign currency translation adjustment																							163
Balance (in shares) at Sep. 30, 2023															7,204,506
Balance at Sep. 30, 2023															$ 7		62,055		2,598	(57,782)	1,363	8,241
Balance (in shares) at Jun. 30, 2023															7,204,506
Balance at Jun. 30, 2023															$ 7		62,042		2,598	(56,262)	1,402	9,787
Share-based compensation in exchange for services from employees and directors															0		13		0	0	0	13
Net income (loss)															0		0		0	(1,520)	0	(1,520)	(1,520)
Foreign currency translation adjustment															0		0		0	0	(39)	(39)	(39)
Foreign currency translation adjustment															$ 0		0		0	0	(39)	(39)	$ (39)
Balance (in shares) at Sep. 30, 2023															7,204,506
Balance at Sep. 30, 2023															$ 7		$ 62,055		$ 2,598	$ (57,782)	$ 1,363	$ 8,241

[1] Retrospectively restated for effect of the 1-for-5 reverse stock split effective on January 18, 2023, see Note 4(g).