CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (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
Income Statement [Abstract]
Revenue	$ 73,095	$ 63,029	$ 222,766	$ 143,067
Cost of revenue	25,799	21,334	77,563	55,727
Gross profit	47,296	41,695	145,203	87,340
Operating expenses:
Research and development	23,878	13,005	66,490	36,252
Selling, general and administrative	19,886	14,616	56,839	38,425
Total operating expenses	43,764	27,621	123,329	74,677
Income from operations	3,532	14,074	21,874	12,663
Interest income	2,492		3,295
Other expense	(238)	(110)	(264)	(178)
Income before income taxes	5,786	13,964	24,905	12,485
Income tax expense	(3)	(4)	(123)	(67)
Net income	5,783	13,960	24,782	12,418
Net income attributable to common stockholders and comprehensive income	$ 5,783	$ 13,960	$ 24,782	$ 12,418
Net income per share attributable to common stockholders, basic	$ 0.27	$ 0.73	$ 1.17	$ 0.67
Net income per share attributable to common stockholders, diluted	$ 0.26	$ 0.66	$ 1.09	$ 0.60
Weighted-average shares used to compute basic net income per share	21,353	19,149	21,143	18,658
Weighted-average shares used to compute diluted net income per share	22,614	21,252	22,688	20,770