Per Share Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Per Share Data
Net Loss	$ (376)	$ 42	$ (1,102)	$ (735)
Preferred dividends	(160)	(160)	(480)	(480)
Loss available to common shareholders	$ (536)	$ (118)	$ (1,582)	$ (1,215)
Weighted average number of common shares outstanding - Basic and Diluted	5,317,758	5,317,758	5,317,758	5,317,758
Basic and diluted loss per common share	$ (0.10)	$ (0.02)	$ (0.30)	$ (0.23)