Annual report pursuant to Section 13 and 15(d)

Warrants - Summary of Warrant Activity and Related Information (Details)

v3.8.0.1
Warrants - Summary of Warrant Activity and Related Information (Details) - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Weighted Average Exercise Price    
Outstanding at January 1 (in dollars per share) $ 4.57 $ 4.57
Granted (in dollars per share) 2.43 0
Exercised (in dollars per share) 0 3.48
Forfeited/Expired (in dollars per share) 6.25 0
Outstanding at December 31 (in dollars per share) $ 2.79 $ 4.57
Warrants (Member)    
Warrants    
Outstanding at January 1 (in shares) 1,398,653 1,408,002
Granted (in shares) 6,166,426 0
Exercised (in shares) 0 (9,349)
Forfeited/Expired (in shares) (84,000) 0
Outstanding at December 31 (in shares) 7,481,079 1,398,653