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Subsequent Events (Details)
6 Months Ended
Jul. 16, 2015
ft²
Jun. 30, 2015
USD ($)
ft²
Sep. 01, 2015
USD ($)
Leases, Operating [Abstract]      
Area of office space leased (in square feet) | ft²   14,817  
Future minimum payments   $ 1,520,000  
Subsequent Event | Expected | Second Lease Amendment      
Leases, Operating [Abstract]      
Area of office space leased (in square feet) | ft² 18,876    
Future minimum payments     $ 1,844,000