Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Basic and diluted earnings
Net income	$ 381	$ 112	$ 190	$ 254
Less: Preferred stock dividends	(100)	(100)	(200)	(200)
Net income (loss) applicable to common stockholders	$ 281	$ 12	$ (10)	$ 54
Weighted average common shares outstanding - basic	6,600	6,602	6,610	6,602
Weighted average common shares outstanding - diluted	6,600	6,602	6,610	6,602
Earnings (loss) per share:
Earnings (loss) per common share, basic	$ 0.04	$ 0.00	$ 0.00	$ 0.01
Earnings (loss) per common share, diluted	$ 0.04	$ 0.00	$ 0.00	$ 0.01
Series A Convertible Preferred Stock
Earnings (loss) per share:
Shares subject to anti-dilutive Series A Convertible Preferred Stock excluded from calculation	400	400	400	400