Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Payables And Accruals [Abstract]
Accrued research and development expenses	$ 1,118	$ 1,498
Accrued employee bonus compensation	1,159	2,012
Other accrued expenses	2,223	1,352
Accrued co-pay rebates	896	836
Total accrued expenses	$ 5,396	$ 5,698

Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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