Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues
Revenues, total	$ 68,755	$ 56,602	$ 202,759	$ 146,311
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total	37,054	29,115	95,251	75,940
Gross margin	31,701	27,487	107,508	70,371
Selling, general and administrative expenses	32,905	28,377	100,181	82,393
Research and development	1,115	2,025	3,667	5,696
Amortization of intangible assets	1,111	1,255	3,412	3,586
Credit loss expense (reversal), net	808	(3,317)	8,149	(4,884)
Asset impairments (see Note 17(e))			4,470
Legal judgment and arbitration awards (see Note 9)				(1,770)
Loss from operations	(4,238)	(853)	(12,371)	(14,650)
Realized and unrealized investment gains	35	30	99	5,311
Retirement benefits non-service expense	(140)	(117)	(417)	(347)
Interest income	257	538	1,176	1,680
Interest expense	(1,323)	(1,540)	(4,354)	(5,534)
Loss before taxes	(5,409)	(1,942)	(15,867)	(13,540)
Income tax expense	(2,348)	(4,402)	(8,091)	(9,416)
Net loss	(7,757)	(6,344)	(23,958)	(22,956)
Less: net income attributable to non-controlling interests	(1,196)	(2,034)	(1,455)	(9,473)
Net loss attributable to common shareholders	$ (8,953)	$ (8,378)	$ (25,413)	$ (32,429)
Net loss per share attributable to common shareholders - basic and diluted:
Net loss per share - basic	$ (0.16)	$ (0.14)	$ (0.44)	$ (0.55)
Net loss per share - diluted	$ (0.16)	$ (0.14)	$ (0.44)	$ (0.55)
Technology Sales [Member]
Revenues
Revenues, total	$ 18,065	$ 13,160	$ 35,270	$ 34,508
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total	10,061	6,230	20,264	17,779
Image Enhancement and Maintenance Services [Member]
Revenues
Revenues, total	36,233	30,588	117,285	76,914
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total	20,563	16,461	56,259	38,582
Technology Rentals [Member]
Revenues
Revenues, total	12,540	10,219	43,726	26,708
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total	6,430	6,424	18,728	19,579
Finance Income [Member]
Revenues
Revenues, total	$ 1,917	$ 2,635	$ 6,478	$ 8,181