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Balance Sheet Components - Summary of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]    
Accrued royalties expense $ 1,397 $ 1,522
Interest Payable, Current 315 975
Accrued professional services 562 941
Other accrued expense 2,535 1,080
Total accrued liabilities $ 4,809 $ 4,518