Consolidated Statements of Shareholders' Equity - USD ($)		Total		Previously Reported [Member]	[1]	Revision of Prior Period, Change in Accounting Principle, Adjustment [Member]	[1]	Common Stock [Member]	Common Stock [Member] Previously Reported [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] Previously Reported [Member]	Retained Deficit [Member]		Retained Deficit [Member] Previously Reported [Member]	[1]	Retained Deficit [Member] Revision of Prior Period, Change in Accounting Principle, Adjustment [Member]	[1]	Accumulated Other Comprehensive Loss [Member]	Accumulated Other Comprehensive Loss [Member] Previously Reported [Member]	Noncontrolling Interest [Member]	Noncontrolling Interest [Member] Previously Reported [Member]
Beginning Balance at Dec. 31, 2020		$ 96,493,000	[1]	$ 84,999,000		$ 11,494,000		$ 18,312,000	$ 18,312,000	$ 170,318,000	$ 170,318,000	$ (31,877,000)	[1]	$ (43,371,000)		$ 11,494		$ (68,695,000)	$ (68,695,000)	$ 8,435,000	$ 8,435,000
Stock-based compensation		2,438,000	[1]							2,438,000
Comprehensive income (loss):
Net income (loss)	[1]	(3,300,000)	[2],[3],[4]									(3,861,000)								561,000
Other comprehensive income (loss)		13,826,000	[1],[4]															13,589,000		237,000
Comprehensive (loss) income		10,526,000	[1],[4]																	798,000
Shareholder exercise of warrants (Note 13)		3,308,000	[1]					575,000		2,733,000
Issuance of common stock including excess tax benefits		(631,000)	[1]					297,000		(928,000)
Ending Balance at Dec. 31, 2021		112,134,000	[1],[5]					19,184,000		174,561,000		(35,738,000)	[1]					(55,106,000)		9,233,000
Stock-based compensation		1,665,000	[1]							1,665,000
Comprehensive income (loss):
Net income (loss)		3,980,000	[1]									3,416,000	[1]							564,000
Other comprehensive income (loss)		(4,033,000)	[1]															(3,306,000)		(727,000)
Comprehensive (loss) income		(53,000)	[1]																	(163,000)
Shareholder exercise of warrants (Note 13)								48,000		(48,000)
Issuance of common stock including excess tax benefits		(350,000)	[1]					172,000		(522,000)
Ending Balance at Dec. 31, 2022		$ 113,396,000	[1]					$ 19,404,000		$ 175,656,000		$ (32,322,000)	[1]					$ (58,412,000)		$ 9,070,000

[1] Retained deficit as of January 1, 2021, net loss for 2021 and retained deficit as of December 31, 2021 were adjusted to include inventory costs using the FIFO basis of costing. See Note 2.   See Notes to Consolidated Financial Statements.

[2] Costs of products sold (excluding depreciation and amortization) and subsequent subtotals and totals along with net loss per share for 2021 were adjusted to include inventory costs using the FIFO basis of costing. See Note 2.

[3] Net loss and the change in inventories for 2021 were adjusted to include inventory costs using the FIFO basis of costing. See Note 2.   See Notes to Consolidated Financial Statements.

[4] Net loss for 2021 and subsequent subtotals and totals were adjusted to include inventory costs using the FIFO basis of costing. See Note 2

[5] The December 31, 2021 balance sheet was adjusted to present inventory using the FIFO basis of costing. See Note 2.