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Development and License Agreements - Summary of Prepaid R&D Asset and Manufacturing Efficiency Asset (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Other Current Assets    
Deferred Costs Capitalized Prepaid And Other Assets [Line Items]    
Prepaid R&D asset [1] $ 704  
Other Assets    
Deferred Costs Capitalized Prepaid And Other Assets [Line Items]    
Prepaid R&D asset [2] 443 $ 2,088
Manufacturing efficiency asset [2] $ 1,931 $ 1,104
[1] Included in “Prepaid and other current assets” in the Company's condensed consolidated balance sheets.
[2] Included in “Other assets” in the Company's condensed consolidated balance sheets.