Accrued Expenses - Schedule of Accrued Expensest (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accrued Liabilities, Current [Abstract]
Accrued wages and benefits	$ 2,047	$ 6,421
Accrued selling fees, rebates, and royalties	6,890	9,046
Accrued inventory purchases	4,217	3,714
Deferred revenue	3,291	1,147
Accrued clinical expenses	3,116	2,949
Accrued operating expenses	2,706	3,222
Accrued tax withholdings	1,804	1,948
Accrued interest	266	3,583
Accrued R&D licensing fees	116	366
Accrued costs for product launch		1,474
Total accrued expenses	$ 24,453	$ 33,870