Quarterly report pursuant to Section 13 or 15(d)

Warrants - Textual (Details)

v3.8.0.1
Warrants - Textual (Details) - Private Placement
Mar. 03, 2017
$ / shares
shares
Class of Warrant or Right [Line Items]  
Number of shares called by warrants (in shares) | shares 5,929,256
Definitive securities purchase agreement  
Class of Warrant or Right [Line Items]  
Warrants exercise price of warrants (in dollars per share) | $ / shares $ 2.41
Warrants expiration period 3 years
Placement agent warrant  
Class of Warrant or Right [Line Items]  
Number of shares called by warrants (in shares) | shares 237,170
Warrants exercise price of warrants (in dollars per share) | $ / shares $ 2.89
Warrants non-exercisable period of warrants 12 months