2. Per Share Data (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Net income (loss)		$ 42	$ (392)	$ (735)	$ (1,187)
Preferred dividends		(160)	(160)	(480)	(480)
Loss available to common shareholders		$ (118)	$ (552)	$ (1,215)	$ (1,667)
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	[1]	$ (0.02)	$ (0.10)	$ (0.23)	$ (0.31)

[1] Considers the effect of dividends on preferred stock for the three and nine months ended September 30, 2020 and 2019.