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, 2020	$ 34	$ 244,831	$ (218,973)	$ 25,892
Beginning balance (in shares) at Dec. 31, 2020	33,801,045
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	1,643	0	1,643
Exercise of stock options	$ 0	0	0	$ 0
Exercise of stock options (in shares)	329,076			329,076
Issuance of restricted stock	$ 0	0	0	$ 0
Issuance of restricted stock (in shares)	234,558			234,558
Issuance of common stock warrants in connection with Senior Term Facility	$ 0	585	0	$ 585
Net loss	0	0	(2,706)	(2,706)
Ending balance at Dec. 31, 2021	$ 34	247,059	(221,679)	25,414
Ending balance (in shares) at Dec. 31, 2021	34,364,679
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	$ 0	1,466	0	1,466
Issuance of common stock for acquisition	$ 1	499	0	$ 500
Issuance of common stock for acquisition (in shares)	358,367			358,367
Net loss	$ 0	0	(5,549)	$ (5,549)
Ending balance at Dec. 31, 2022	$ 35	$ 249,024	$ (227,228)	$ 21,831
Ending balance (in shares) at Dec. 31, 2022	34,723,046