Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited) - Consolidated Statements of Changes in Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2022	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	$ 62,221	$ 68,027	$ 65,408	$ 65,408	$ 65,408	$ 65,408	$ (7,540)
Stock-based compensation	(121)	113	112			475	416
Issuance of Common Stock for VCN Acquisition			6,599			6,599
Translation gains (losses)	(1,464)	(1,442)	181			(679)
Net loss	(4,490)	(4,477)	(4,273)	(8,750)	(13,240)	(19,685)	(14,267)
Balance	56,388	62,221	68,027	62,221	56,388	51,830	65,408
As Previously Reported
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	61,674	68,027	65,408	65,408	65,408	65,408
Stock-based compensation	121	113	112
Issuance of Common Stock for VCN Acquisition			6,599
Translation gains (losses)	(1,527)	(1,498)	181
Net loss	(4,853)	(4,968)	(4,273)	(9,241)	(14,094)
Balance	55,415	61,674	68,027	61,674	55,415		65,408
Restatement Adjustments
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	547
Translation gains (losses)	63	56
Net loss-other immaterial adjustments	28	(41)
Net loss	335	532		532	867
Balance	973	547		547	973
Other Immaterial Adjustments
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Net loss	28	(41)		(41)	(13)
Common Stock
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	$ 16	$ 16	$ 13	$ 13	$ 13	$ 13	$ 3
Balance (in shares)	15,844,061	15,844,061	13,204,531	13,204,531	13,204,531	13,204,531	2,925,270
Issuance of Common Stock for VCN Acquisition			$ 3			$ 3
Issuance of Common Stock for VCN Acquisition (in shares)			2,639,530			2,639,530
Balance	$ 16	$ 16	$ 16	$ 16	$ 16	$ 16	$ 13
Balance (in shares)	15,844,061	15,844,061	15,844,061	15,844,061	15,844,061	15,844,061	13,204,531
Common Stock | As Previously Reported
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	$ 16	$ 16	$ 13	$ 13	$ 13	$ 13
Balance (in shares)	15,844,061	15,844,061	13,204,531	13,204,531	13,204,531	13,204,531
Issuance of Common Stock for VCN Acquisition			$ 3
Issuance of Common Stock for VCN Acquisition (in shares)			2,639,530
Balance	$ 16	$ 16	$ 16	$ 16	$ 16		$ 13
Balance (in shares)	15,844,061	15,844,061	15,844,061	15,844,061	15,844,061		13,204,531
Series B Preferred
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance							$ 2,477
Balance (in shares)							3,973
Series B Preferred | As Previously Reported | Series B Preferred Stock
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance		$ 0	$ 0	$ 0	$ 0	$ 0
Balance (in shares)		0	0	0	0	0
Balance			$ 0				$ 0
Balance (in shares)			0				0
Additional Paid-in Capital
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	$ 343,500	$ 343,387	$ 336,679	$ 336,679	$ 336,679	$ 336,679	$ 240,847
Stock-based compensation	(121)	113	112			475	416
Issuance of Common Stock for VCN Acquisition			6,596			6,596
Balance	343,621	343,500	343,387	343,500	343,621	343,750	336,679
Additional Paid-in Capital | As Previously Reported
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	343,500	343,387	336,679	336,679	336,679	336,679
Stock-based compensation	121	113	112
Issuance of Common Stock for VCN Acquisition			6,596
Balance	343,621	343,500	343,387	343,500	343,621		336,679
Accumulated Deficit
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	(280,034)	(275,557)	(271,284)	(271,284)	(271,284)	(271,284)	(248,094)
Net loss	(4,490)	(4,477)	(4,273)
Balance	(284,524)	(280,034)	(275,557)	(280,034)	(284,524)	(290,969)	(271,284)
Accumulated Deficit | As Previously Reported
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	(280,525)	(275,557)	(271,284)	(271,284)	(271,284)	(271,284)
Net loss	(4,853)	(4,968)	(4,273)
Balance	(285,378)	(280,525)	(275,557)	(280,525)	(285,378)		(271,284)
Accumulated Deficit | Restatement Adjustments
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	491
Net loss-other immaterial adjustments	28	(41)
Net loss	335	532
Balance	854	491		491	854
Accumulated Other Comprehensive income
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	(1,261)	181
Translation gains (losses)	(1,464)	(1,442)	181			(679)
Balance	(2,725)	(1,261)	181	(1,261)	(2,725)	(679)
Accumulated Other Comprehensive income | As Previously Reported
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	(1,317)	181	0	0	0	0
Translation gains (losses)	(1,527)	(1,498)	181
Balance	(2,844)	(1,317)	$ 181	(1,317)	(2,844)		$ 0
Accumulated Other Comprehensive income | Restatement Adjustments
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance	56
Translation gains (losses)	63	56
Balance	$ 119	$ 56		$ 56	$ 119
Treasury Stock
Restatement of Previously Reported Unaudited Interim Consolidated Financial Statements (Unaudited)
Balance						$ (288)