Quarterly report pursuant to Section 13 or 15(d)

Warrants - Additional Information (Details)

v3.5.0.2
Warrants - Additional Information (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 14, 2016
May 25, 2016
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Class of Warrant or Right [Line Items]            
Warrants issued (in shares)         2,870,000  
Equity issuance costs     $ 325,000 $ 0 $ 325,000 $ 0
Private Placement            
Class of Warrant or Right [Line Items]            
Warrants, period before exercisable   6 months        
Warrants, exercise price (usd per share) $ 2.25 $ 2.25        
Warrants, exercise period 5 years 5 years        
Private Placement - September Offering            
Class of Warrant or Right [Line Items]            
Warrants, exercise price (usd per share) $ 2.25          
Warrants, exercise period 5 years          
Warrant Derivative | Private Placement            
Class of Warrant or Right [Line Items]            
Warrants issued (in shares)   1,357,301        
Warrants, period before exercisable   6 months        
Warrants, exercise price (usd per share)   $ 2.25        
Warrants, exercise period   5 years        
Warrant Derivative | Private Placement - September Offering            
Class of Warrant or Right [Line Items]            
Warrants issued (in shares) 1,512,500          
Warrants, period before exercisable 6 months          
Warrants, exercise price (usd per share) $ 2.25          
Warrants, exercise period 5 years