Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Basic Earnings Per Share
Net Income (loss)	$ (119)		$ 2,867
Weighted Average Shares Outstanding	5,230	5,202	5,202
Basic Earnings Per Share	$ (0.02)		$ 0.55
Diluted Earnings Per Share
Net Income (loss)	$ (119)		$ 2,867
Weighted Average Shares Outstanding	5,230		5,202
Dilutive Effect Of Stock Options And Restricted Stock	0		8
Total Weighted Average Shares Outstanding	5,230	5,210	5,210
Diluted Earnings (loss) Per Common Share	$ (0.02)		$ 0.55