Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenue	$ 147,794	$ 130,457	$ 114,610
Cost of revenue	64,851	61,431	28,747
Gross profit	82,943	69,026	85,863
Operating expenses:
Research & development	27,327	23,431	16,665
Selling, general & administrative	74,096	60,063	34,950
Goodwill impairment charge	0	42,520	0
Change in fair value of contingent consideration	(21,095)	(28,666)	0
Total operating expenses	80,328	97,348	51,615
Income (loss) from operations	2,615	(28,322)	34,248
Interest and other (expense) income, net	(188)	(302)	1,873
Income before income taxes	2,427	(28,624)	36,121
(Benefit from) provision for income taxes	(1,707)	(4,642)	8,928
Net income (loss)	$ 4,134	$ (23,982)	$ 27,193
Net income (loss) per share:
Basic (in dollars per share)	$ 0.29	$ (1.69)	$ 1.93
Diluted (in dollars per share)	$ 0.28	$ (1.69)	$ 1.89
Weighted average common shares outstanding:
Basic (in shares)	14,401	14,222	14,121
Diluted (in shares)	14,634	14,222	14,374
Net income (loss)	$ 4,134	$ (23,982)	$ 27,193
Foreign currency translation adjustment	(1,176)	1,356	(372)
Comprehensive income (loss)	$ 2,958	$ (22,626)	$ 26,821