Stock-Based Compensation, Stock Option Activity (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Number Outstanding [Roll Forward]
Outstanding at beginning of year (in shares)	450,000	455,000
Granted during the year (in shares)	0	0
Exercised during the year (in shares)	0	0
Forfeited or expired during the year (in shares)	0	(5,000)
Outstanding at end of year (in shares)	450,000	450,000
Exercisable at end of year (in shares)	450,000	360,000
Weighted Average Exercise Price [Abstract]
Outstanding at beginning of year (in dollars per share)	$ 1.62	$ 1.67
Granted during the year (in dollars per share)	0	0
Exercised during the year (in dollars per share)	0	0
Forfeited or expired during the year (in dollars per share)	0	6.00
Outstanding at end of year (in dollars per share)	1.62	1.62
Exercisable at end of year (in dollars per share)	$ 1.62	$ 1.62
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]
Stock based compensation expense	$ 7	$ 39
Unrecognized compensation cost	$ 0