Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Revenue	$ 86,752	$ 57,397
Cost of goods sold	9,967	4,623
Gross profit	76,785	52,774
Operating expenses
Research and development	16,135	8,163
Selling, general and administrative	63,732	36,898
Total operating expenses	79,867	45,061
(Loss) Income from operations	(3,082)	7,713
Other income (expense)
Interest income	50	68
Interest expense	(73)	(73)
Other expenses	(24)	(41)
Total other expenses	(47)	(46)
(Loss) Income before income taxes	(3,129)	7,667
Provision for income taxes	0	198
Net (loss) income	(3,129)	7,469
Other comprehensive income (loss)
Foreign currency translation adjustments	(117)	(180)
Unrealized (loss) gain on available-for-sale securities	(248)	18
Total other comprehensive loss	(365)	(162)
Comprehensive (loss) income	$ (3,494)	$ 7,307
Net (loss) income per share
Basic	$ (0.06)	$ 0.15
Diluted	$ (0.06)	$ 0.13
Weighted average common shares used to compute net (loss) income per share
Basic	50,954,715	49,355,945
Diluted	50,954,715	55,722,293