Revenues, Significant Customers and Concentrations of Risk - Summary of Revenue Disaggregated by Major Types and Sources (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenue, net	$ 183,982	$ 149,599	$ 123,864
U.S.
Disaggregation of Revenue [Line Items]
Total revenue, net	178,290	145,789	120,231
Europe
Disaggregation of Revenue [Line Items]
Total revenue, net	5,692	3,810	3,463
Other
Disaggregation of Revenue [Line Items]
Total revenue, net	0	0	170
Total product revenue, net
Disaggregation of Revenue [Line Items]
Total revenue, net	126,667	113,834	92,103
Licensing and development revenue
Disaggregation of Revenue [Line Items]
Total revenue, net	19,623	14,466	7,529
Royalties
Disaggregation of Revenue [Line Items]
Total revenue, net	37,692	21,299	24,232
Proprietary product sales, net | Total product revenue, net
Disaggregation of Revenue [Line Items]
Total revenue, net	80,016	62,878	39,215
Partnered product sales | Total product revenue, net
Disaggregation of Revenue [Line Items]
Total revenue, net	$ 46,651	$ 50,956	$ 52,888