Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Revenues
Revenues, total		$ 38,754	$ 34,902
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total		21,473	29,816
Gross margin	[1]	17,281	5,086
Selling, general and administrative expenses		25,209	28,636
Research and development		1,471	2,200
Amortization of intangibles		1,141	1,321
Credit loss expense		305	10,217
Asset impairments		0	1,151
Loss from operations		(10,845)	(38,439)
Realized and unrealized investment gains (losses)		5,248	(4,539)
Retirement benefits non-service expense		(114)	(116)
Interest income		583	365
Interest expense		(2,304)	(648)
Loss before taxes		(7,432)	(43,377)
Income tax expense		(3,068)	(15,505)
Equity in losses of investees, net of tax		0	(529)
Net loss		(10,500)	(59,411)
Less: Net (income) loss attributable to non-controlling interests		4,340	(10,057)
Net loss attributable to common shareholders		$ (14,840)	$ (49,354)
Net loss per share attributable to common shareholders - basic and diluted:
Net loss per share — basic and diluted		$ (0.25)	$ (0.82)
Technology Sales [Member]
Revenues
Revenues, total		$ 6,175	$ 5,662
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total		5,053	3,869
Image Enhancement and Maintenance Services [Member]
Revenues
Revenues, total		21,615	20,721
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total		9,764	17,816
Technology Rentals [Member]
Revenues
Revenues, total		8,359	5,971
Costs and expenses applicable to revenues
Cost and expenses applicable to revenues, total		6,656	8,131
Finance Income [Member]
Revenues
Revenues, total		$ 2,605	$ 2,548

[1] IMAX DMR gross margin includes marketing costs of $1.1 million for the three months ended March 31, 2021 (2020 — $2.4 million). JRSA gross margin includes advertising, marketing and commission expense of $0.8 million for the three months ended March 31, 2021 (2020 — $0.5 million). IMAX Systems gross margin includes marketing and commission costs of $0.2 million for the three months ended March 31, 2021 (2020 — $0.2 million). Film Distribution segment gross margin includes a marketing recovery of less than $0.1 million for the three months ended March 31, 2021 (2020 — expense of $0.2 million).