2. Per Share Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income (loss)	$ (378)	$ (392)	$ (777)	$ (795)
Preferred dividends	(160)	(160)	(320)	(320)
Loss available to common shareholders	$ (538)	$ (552)	$ (1,097)	$ (1,115)
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)	$ (0.10)	$ (0.21)	$ (0.21)