Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues
Total revenues		$ 78,259	$ 67,277	$ 227,700	$ 189,473
Operating expenses
Selling, general and administrative		16,955	15,913	50,881	44,821
Research and development		9,702	9,269	29,952	26,338
Write-downs and other charges		1,389	197	1,824	985
Depreciation and amortization		18,950	18,441	56,979	55,460
Total operating expenses		69,228	60,266	203,178	171,619
Income from operations		9,031	7,011	24,522	17,854
Other expense (income)
Interest expense		10,291	10,700	27,851	33,198
Interest income		(305)	(263)	(728)	(827)
Loss on extinguishment and modification of debt		0	0	8,549	0
Other expense (income)		445	1,126	714	1,092
Loss before income taxes		(1,400)	(4,552)	(11,864)	(15,609)
Income tax benefit (expense)		1,876	2,723	1,288	2,127
Net income (loss)		476	(1,829)	(10,576)	(13,482)
Foreign currency translation adjustment		23	(1,612)	466	(1,588)
Total comprehensive income (loss)		$ 499	$ (3,441)	$ (10,110)	$ (15,070)
Basic and diluted income (loss) per common share:
Basic (in dollars per share)		$ 0.01	$ (0.05)	$ (0.28)	$ (0.37)
Diluted (in dollars per share)		$ 0.01	$ (0.05)	$ (0.28)	$ (0.37)
Weighted average common shares outstanding:
Basic (in shares)		37,244	36,725	37,116	36,608
Diluted (in shares)		37,244	36,725	37,116	36,608
Gaming Operations [Member]
Revenues
Total revenues		$ 56,592	$ 53,231	$ 166,396	$ 152,686
Operating expenses
Cost of goods and services	[1]	10,375	9,641	31,512	27,994
Equipment Sales [Member]
Revenues
Total revenues		21,667	14,046	61,304	36,787
Operating expenses
Cost of goods and services		$ 11,857	$ 6,805	$ 32,030	$ 16,021

[1] exclusive of depreciation and amortization