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Debt - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 29, 2016
Apr. 30, 2016
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Debt Instrument [Line Items]            
Debt conversion, original principal amount         $ 12,700,000  
Debt conversion expense     $ 3,242,000 $ 0 5,027,000 $ 0
Standby Letters of Credit | SVB SLOC | Silicon Valley Bank            
Debt Instrument [Line Items]            
Credit facility maximum borrowing     $ 12,900,000.0   $ 12,900,000.0  
Collateral fee percentage 1.50%          
Standby Letters of Credit | SVB SLOC | Itaú Unibanco S.A. | Solazyme Brasil Oleos Renovaveis E Bioprdutos Ltda.            
Debt Instrument [Line Items]            
Collateral fee percentage 1.99%          
Bank Confirmation | SVB SLOC | Bank of Nova Scotia            
Debt Instrument [Line Items]            
Collateral fee percentage 0.70%          
Common Stock            
Debt Instrument [Line Items]            
Debt conversion, shares issued in conversion (in shares)         3,459,567  
Inducement Shares            
Debt Instrument [Line Items]            
Debt conversion, shares issued in conversion (in shares)   1,544,039