Change in Accounting Method, Effect of Change on Statements of Changes in Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Condensed Consolidated Statements of Changes in Shareholders' Equity [Abstract]
Beginning balance	$ 33,862	$ 38,984
Net loss	3,139	(4,348)
Ending balance	37,196	34,771
Retained Earnings [Member]
Condensed Consolidated Statements of Changes in Shareholders' Equity [Abstract]
Beginning balance	9,630	15,566
Net loss	3,139	(4,348)
Ending balance	$ 12,769	11,218
Previously Reported [Member]
Condensed Consolidated Statements of Changes in Shareholders' Equity [Abstract]
Beginning balance		38,991
Net loss		(4,013)
Ending balance		35,113
Previously Reported [Member] | Retained Earnings [Member]
Condensed Consolidated Statements of Changes in Shareholders' Equity [Abstract]
Beginning balance		15,573
Ending balance		11,560
Effect of Change [Member] | Change in Method of Inventory Valuation to Average Costing [Member]
Condensed Consolidated Statements of Changes in Shareholders' Equity [Abstract]
Beginning balance		(7)
Net loss		(335)
Ending balance		(342)
Effect of Change [Member] | Retained Earnings [Member] | Change in Method of Inventory Valuation to Average Costing [Member]
Condensed Consolidated Statements of Changes in Shareholders' Equity [Abstract]
Beginning balance		(7)
Ending balance		$ (342)