Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue	$ 39,657	$ 38,145	$ 76,350	$ 72,437
Cost of product revenue	14,795	17,333	29,684	30,651
Gross Profit	24,862	20,812	46,666	41,786
Operating expenses:
Research & development	6,975	7,293	13,132	13,654
Selling, general & administrative	21,268	17,989	40,469	36,164
Change in fair value of contingent consideration	0	(13,650)	0	(18,470)
Total operating expenses	28,243	11,632	53,601	31,348
(Loss) income from operations	(3,381)	9,180	(6,935)	10,438
Interest and other income (expense), net	96	(50)	(58)	(93)
(Loss) income before income taxes	(3,285)	9,130	(6,993)	10,345
(Benefit from) provision for income taxes	(442)	2,599	(1,217)	976
Net (loss) income	$ (2,843)	$ 6,531	$ (5,776)	$ 9,369
Basic (in dollars per share)	$ (0.20)	$ 0.45	$ (0.40)	$ 0.65
Diluted (in dollars per share)	$ (0.20)	$ 0.45	$ (0.40)	$ 0.64
Basic (in shares)	14,555	14,393	14,511	14,368
Diluted (in shares)	14,555	14,627	14,511	14,583
Net (loss) income	$ (2,843)	$ 6,531	$ (5,776)	$ 9,369
Foreign currency translation adjustment	(847)	199	(928)	(310)
Comprehensive (loss) income	$ (3,690)	$ 6,730	$ (6,704)	$ 9,059