Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Basic and diluted earnings
Net income (loss)	$ 1,672	$ (734)
Less: Preferred stock dividends	(400)	(48)
Net income (loss) applicable to common stockholders	$ 1,272	$ (782)
Weighted average common shares outstanding - basic	6,603	6,601
Dilutive potential common shares from stock options, restricted stock units, and convertible preferred stock	0	0
Weighted average common shares outstanding - diluted	6,603	6,601
Earnings (loss) per share:
Earnings (loss) per common share, basic	$ 0.19	$ (0.12)
Earnings (loss) per common share, diluted	$ 0.19	$ (0.12)
Shares subject to anti-dilutive stock options and restricted stock units excluded from calculation	400	400
Shares subject to anti-dilutive Series A Convertible Preferred Stock excluded from calculation	400	400