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Development, Commercialization and Supply Agreement - Recognized Revenues Changes in Contract Asset and Contract Liability Balances (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue recognized in the period from:    
Amounts included in contract liability at the beginning of the period $ 1,997 $ 4,705
Performance obligations satisfied in previous periods $ 46 $ 1,262