Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accrued Liabilities, Current [Abstract]
Accrued selling fees, rebates, and royalties	$ 13,035	$ 6,890
Accrued inventory purchases	7,632	4,217
Accrued clinical expenses	6,140	3,116
Accrued wages and benefits	4,796	2,034
Deferred revenue	2,781	2,799
Accrued operating expenses	3,117	2,654
Accrued tax withholdings	1,668	1,800
Accrued interest		266
Accrued R&D licensing fees	116	116
Total accrued expenses	$ 39,285	$ 23,892