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Network
142 - Disclosure - Income Taxes - Summary of Statutory Tax Rates and Effective Tax Rates (Detail)
(http://www.aldeyra.com/taxonomy/role/DisclosureIncomeTaxesSummaryOfStatutoryTaxRatesAndEffectiveTaxRates)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001341235 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Income Tax Disclosure [Abstract]
 
 
Statutory tax rate
34.00%  
34.00%  
State taxes, net of federal benefits
5.24%  
5.22%  
Federal research and development credits
2.84%  
1.92%  
Change in valuation allowance
(39.42%) 
(40.10%) 
Stock-based compensation
(2.63%) 
0.00%  
Other
(0.03%) 
(1.04%) 
Effective tax rate
0.00%  
 
0.00%