Inventories Net (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Consolidated Income Statements
Cost Of Goods Sold		$ 6,982		$ 12,426
Income (loss) Before Income Taxes	$ (4,334)	2,022	$ (8,270)	1,352
Net Income (loss)	(4,334)	$ 1,838	(8,270)	$ 1,168
Net (loss) Income Per Share-basic		$ 0.14
Net (loss) Income Per Share-Diluted		$ 0.13
Net (loss) Income Per Share-Basic and Diluted				$ 0.09
Inventories		$ (3,188)	(5,568)	$ (3,189)
Net Income	$ (4,334)	1,838	$ (8,270)	1,168
Inventories Allowance		428
As Originally Reported [Member]
Consolidated Income Statements
Cost Of Goods Sold		7,124		12,592
Income (loss) Before Income Taxes		1,880		1,186
Net Income (loss)		$ 1,696		$ 1,002
Net (loss) Income Per Share-basic		$ 0.13
Net (loss) Income Per Share-Diluted		$ 0.12
Net (loss) Income Per Share-Basic and Diluted				$ 0.08
Inventories		$ (2,964)
Net Income				$ 1,002
Inventories Allowance		368
Effect of Change [Member]
Consolidated Income Statements
Cost Of Goods Sold		(142)		(166)
Income (loss) Before Income Taxes		142		166
Net Income (loss)		$ 142		$ 166
Net (loss) Income Per Share-basic		$ 0.01
Net (loss) Income Per Share-Diluted		$ 0.01
Net (loss) Income Per Share-Basic and Diluted				$ 0.01
Inventories		$ (226)
Net Income				$ 166
Inventories Allowance		$ 60