Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues
Revenues, total	$ 60,036	$ 38,754
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total	28,265	21,473
Gross margin	31,771	17,281
Selling, general and administrative expenses	30,181	25,209
Research and development	1,196	1,471
Amortization of intangible assets	1,197	1,141
Credit loss expense, net	7,229	305
Loss from operations	(8,032)	(10,845)
Realized and unrealized investment gains	34	5,248
Retirement benefits non-service expense	(139)	(114)
Interest income	502	583
Interest expense	(1,705)	(2,304)
Loss before taxes	(9,340)	(7,432)
Income tax expense	(2,610)	(3,068)
Net loss	(11,950)	(10,500)
Less: Net income attributable to non-controlling interests	(1,659)	(4,340)
Net loss attributable to common shareholders	$ (13,609)	$ (14,840)
Net loss per share attributable to common shareholders - basic and diluted:
Net loss per share — basic and diluted	$ (0.23)	$ (0.25)
Technology Sales [Member]
Revenues
Revenues, total	$ 8,976	$ 6,175
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total	5,985	5,053
Image Enhancement and Maintenance Services [Member]
Revenues
Revenues, total	36,094	21,615
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total	15,743	9,764
Technology Rentals [Member]
Revenues
Revenues, total	12,661	8,359
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total	6,537	6,656
Finance Income [Member]
Revenues
Revenues, total	$ 2,305	$ 2,605