Change in Accounting Method, Effect of Change on Statements of Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Condensed Consolidated Statements of Operations [Abstract]
Cost of sales	$ 10,015	$ 7,136
Gross profit	12,255	2,566
Operating loss	3,813	(5,604)
Loss before income taxes	3,768	(5,703)
Income tax benefit	(629)	1,355
Net loss	$ 3,139	$ (4,348)
Net Loss per Common Share [Abstract]
Basic (in dollars per share)	$ 0.32	$ (0.44)
Diluted (in dollars per share)	$ 0.31	$ (0.44)
Shares Used in Per-Share Calculation [Abstract]
Basic (in shares)	9,930	9,886
Diluted (in shares)	10,043	9,886
Previously Reported [Member]
Condensed Consolidated Statements of Operations [Abstract]
Cost of sales		$ 6,708
Gross profit		2,994
Operating loss		(5,176)
Loss before income taxes		(5,275)
Income tax benefit		1,262
Net loss		$ (4,013)
Net Loss per Common Share [Abstract]
Basic (in dollars per share)		$ (0.41)
Diluted (in dollars per share)		$ (0.41)
Shares Used in Per-Share Calculation [Abstract]
Basic (in shares)		9,886
Diluted (in shares)		9,886
Effect of Change [Member] | Change in Method of Inventory Valuation to Average Costing [Member]
Condensed Consolidated Statements of Operations [Abstract]
Cost of sales		$ 428
Gross profit		(428)
Operating loss		(428)
Loss before income taxes		(428)
Income tax benefit		93
Net loss		$ (335)
Net Loss per Common Share [Abstract]
Basic (in dollars per share)		$ (0.03)
Diluted (in dollars per share)		$ (0.03)