2. Per Share Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Net income (loss)	$ (369)	$ (399)
Preferred dividends	(160)	(160)
Loss available to common shareholders	$ (529)	$ (559)
Weighted average number of common shares outstanding - Basic and Diluted	5,317,758	5,317,758
Basic and diluted loss per common share	$ (0.10)	$ (0.11)