Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive income	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		112				112
Issuance of Common Stock for VCN Acquisition	$ 3	6,596				6,599
Issuance of Common Stock for VCN Acquisition (in shares)	2,639,530
Translation gains (losses)				$ 181		181
Net loss			(4,273)			(4,273)
Balance at Mar. 31, 2022	$ 16	343,387	(275,557)	181		68,027
Balance (in shares) at Mar. 31, 2022	15,844,061
Balance at Dec. 31, 2021	$ 13	336,679	(271,284)			65,408
Balance (in shares) at Dec. 31, 2021	13,204,531
Net loss						(13,240)
Balance at Sep. 30, 2022	$ 16	343,621	(284,524)	(2,725)		56,388
Balance (in shares) at Sep. 30, 2022	15,844,061
Balance at Mar. 31, 2022	$ 16	343,387	(275,557)	181		68,027
Balance (in shares) at Mar. 31, 2022	15,844,061
Stock-based compensation		113				113
Translation gains (losses)				(1,442)		(1,442)
Net loss			(4,477)			(4,477)
Balance at Jun. 30, 2022	$ 16	343,500	(280,034)	(1,261)		62,221
Balance (in shares) at Jun. 30, 2022	15,844,061
Stock-based compensation		121				121
Translation gains (losses)				(1,464)		(1,464)
Net loss			(4,490)			(4,490)
Balance at Sep. 30, 2022	$ 16	343,621	(284,524)	(2,725)		56,388
Balance (in shares) at Sep. 30, 2022	15,844,061
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		126				126
Translation gains (losses)				374		374
Net loss			(4,478)			(4,478)
Balance at Mar. 31, 2023	$ 16	343,876	(295,447)	(305)	(288)	47,852
Balance (in shares) at Mar. 31, 2023	15,844,061
Balance at Dec. 31, 2022	$ 16	343,750	(290,969)	(679)	(288)	51,830
Balance (in shares) at Dec. 31, 2022	15,844,061
Net loss						(12,864)
Balance at Sep. 30, 2023	$ 18	346,312	(303,834)	(1,058)	(288)	41,150
Balance (in shares) at Sep. 30, 2023	17,762,765
Balance at Mar. 31, 2023	$ 16	343,876	(295,447)	(305)	(288)	47,852
Balance (in shares) at Mar. 31, 2023	15,844,061
Stock-based compensation		146				146
Stock issued under "at-the-market" offering	$ 2	2,154				2,156
Stock issued under "at-the-market" offering (in shares)	1,917,716
Translation gains (losses)				(51)		(51)
Net loss			(5,084)			(5,084)
Balance at Jun. 30, 2023	$ 18	346,176	(300,531)	(356)	(288)	45,019
Balance (in shares) at Jun. 30, 2023	17,761,777
Stock-based compensation		135				135
Stock issued under "at-the-market" offering		1				1
Stock issued under "at-the-market" offering (in shares)	988
Translation gains (losses)				(702)		(702)
Net loss			(3,303)			(3,303)
Balance at Sep. 30, 2023	$ 18	$ 346,312	$ (303,834)	$ (1,058)	$ (288)	$ 41,150
Balance (in shares) at Sep. 30, 2023	17,762,765