Consolidated Statements of Stockholder's Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock	Total
Balance at Dec. 31, 2021	$ 13	$ 336,679	$ (271,284)			$ 65,408
Balance (in shares) at Dec. 31, 2021	13,204,531
Stock-based compensation		475				475
Issuance of Common Stock for VCN Acquisition	$ 3	6,596				6,599
Issuance of Common Stock for VCN Acquisition (in shares)	2,639,530
Foreign currency exchange				$ (679)		(679)
Treasury Stock					$ (288)	(288)
Net loss			(19,685)			(19,685)
Balance at Dec. 31, 2022	$ 16	343,750	(290,969)	(679)	(288)	51,830
Balance (in shares) at Dec. 31, 2022	15,844,061
Stock-based compensation		552				552
Stock issued under "at-the-market" offering	$ 2	2,217				2,219
Stock issued under "at-the-market" offering (in shares)	2,024,221
Foreign currency exchange				711		711
Net loss			(18,349)			(18,349)
Balance at Dec. 31, 2023	$ 18	$ 346,519	$ (309,318)	$ 32	$ (288)	$ 36,963
Balance (in shares) at Dec. 31, 2023	17,868,282