Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Beginning balance at Dec. 31, 2021	$ 34	$ 247,059	$ (221,679)	$ 25,414
Beginning balance (in shares) at Dec. 31, 2021	34,364,679
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	368	0	368
Issuance of common stock for acquisition	$ 1	499	0	500
Issuance of common stock for acquisition (in shares)	358,367
Net loss	$ 0	0	(2,502)	(2,502)
Ending balance at Mar. 31, 2022	$ 35	247,926	(224,181)	23,780
Ending balance (in shares) at Mar. 31, 2022	34,723,046
Beginning balance at Dec. 31, 2022	$ 35	249,024	(227,228)	21,831
Beginning balance (in shares) at Dec. 31, 2022	34,723,046
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	325	0	325
Issuance of restricted stock	$ 0	0	0	0
Issuance of restricted stock (in shares)	158,407
Net loss	$ 0	0	(2,835)	(2,835)
Ending balance at Mar. 31, 2023	$ 35	$ 249,349	$ (230,063)	$ 19,321
Ending balance (in shares) at Mar. 31, 2023	34,881,453