Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2019	14,947
Balance at Dec. 31, 2019	$ 294	$ 17,285	$ (3,935)	$ 13,644
Net income	$ 0	0	63	63
Issuance of common stock (in shares)	19,500
Issuance of common stock	$ 390	12,285	0	12,675
Restricted stock forfeited or expired (in shares)	(42)
Restricted stock forfeited or expired	$ 0	0	0	0
Stock-based compensation (in shares)	0
Stock-based compensation	$ 0	83	0	83
Balance (in shares) at Dec. 31, 2020	34,405
Balance at Dec. 31, 2020	$ 684	29,738	(3,702)	26,720
Net income	$ 0	0	2,760	2,760
Stock-based compensation (in shares)	0
Stock-based compensation	$ 0	84	0	84
Effect of reverse stock split (in shares)	(31,530)
Effect of reverse stock split	$ (630)	630	0	0
Redemption of fractional shares (in shares)	(2)
Redemption of fractional shares	$ 0	(2)	0	(2)
Balance (in shares) at Dec. 31, 2021	2,873
Balance at Dec. 31, 2021	$ 54	$ 30,450	$ (942)	$ 29,562