Rendering

Component: (Network and Table)
Network
100710 - Disclosure - Income Taxes - Schedule of Reconciliation of Income Tax Expense Computed Statutory Federal Income Tax and Financial Statements (Detail)
(http://www.adverum.com/20161231/taxonomy/role/DisclosureIncomeTaxesScheduleOfReconciliationOfIncomeTaxExpenseComputedStatutoryFederalIncomeTaxAndFinancialStatementsDetail)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001501756 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Income Tax Disclosure [Abstract]
 
 
 
Federal income tax expense at statutory rate
(38,938,000) 
(16,134,000) 
(8,637,000) 
Loss on extinguishment of related-party convertible notes
  
69,000  
Non-deductible foreign research expenses
21,000  
45,000  
85,000  
Non-deductible stock compensation
1,356,000  
1,418,000  
161,000  
Non-deductible expenses
985,000  
295,000  
285,000  
Goodwill impairment
16,834,000  
  
Research and development tax credits
(326,000) 
(910,000) 
(304,000) 
Change in valuation allowance
16,062,000  
15,277,000  
8,349,000  
Foreign rate differential
3,231,000  
9,000  
(8,000) 
Total tax expense (benefit)
(775,000) 
 
0  
 
0