Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	$ 464,479	$ 406,562	$ 459,955
Cost of sales	114,914	101,889	100,607
Gross profit	349,565	304,673	359,348
Sales and marketing	221,318	204,434	223,676
General and administrative	69,353	67,948	85,607
Research and development	49,621	39,056	34,637
Acquisition-related amortization and remeasurement	17,588	(499)	34,212
Operating loss	(8,315)	(6,266)	(18,784)
Interest expense, net	(1,837)	(2,483)	(122)
Other income (expense), net	(3,343)	8,381	(8,143)
Loss before income taxes	(13,495)	(368)	(27,049)
Income tax benefit (expense)	(24,884)	2,885	(1,413)
Net income (loss)	$ (38,379)	$ 2,517	$ (28,462)
Net income (loss) per common share:
Basic	$ (1.95)	$ 0.13	$ (1.51)
Diluted	$ (1.95)	$ 0.13	$ (1.51)
Weighted average number of common shares:
Basic	19,690,593	19,267,920	18,903,289
Diluted	19,690,593	19,391,718	18,903,289
Other comprehensive income (loss), before tax
Unrealized gain (loss) on debt securities	$ (942)	$ 1,881	$ (2,593)
Reclassification adjustment for amortization of historical unrealized gains on debt security			(1,034)
Reclassification adjustment for loss on debt security in net income			(5,193)
Currency translation adjustment	(2,544)	4,872	(653)
Other comprehensive income (loss), before tax	(3,486)	6,753	(9,473)
Income tax benefit (expense) related to items of other comprehensive income (loss)	234	(462)	2,201
Other comprehensive income (loss), net of tax	(3,252)	6,291	(7,272)
Comprehensive income (loss)	$ (41,631)	$ 8,808	$ (35,734)