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Network
100490 - Disclosure - Income Taxes -Schedule of Significant Deferred Tax Assets and Liabilities (Details)
(http://akebia.com/20161231/taxonomy/role/DisclosureIncomeTaxesScheduleOfSignificantDeferredTaxAssetsAndLiabilitiesDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001517022 (http://www.sec.gov/CIK)
Income Tax Disclosure [Abstract]Period [Axis]
2016-12-31
2015-12-31
Income Tax Disclosure [Abstract]
 
 
Deferred tax assets:
 
 
Accrued expenses
2,170,000  
912,000  
Deferred revenue
12,157,000  
 
Intangible assets
449,000  
527,000  
Restricted stock
45,000  
301,000  
Fixed assets
  
Non-qualified stock options
2,963,000  
1,558,000  
Research and development credits
10,510,000  
1,829,000  
Net operating loss carryforward
84,372,000  
51,356,000  
Other
326,000  
64,000  
Total deferred tax assets
112,992,000  
 
56,547,000  
 
Less valuation allowance
(112,986,000) 
(56,545,000) 
Total deferred tax assets, net of valuation allowance
6,000  
 
2,000  
 
Deferred tax liabilities:
 
 
Fixed assets
(6,000) 
(2,000) 
Total deferred tax liabilities
(6,000) 
 
(2,000) 
 
Net deferred tax asset
0  
 
0