Annual report pursuant to Section 13 and 15(d)

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

v3.7.0.1
Warrants - Summary of Warrant Activity and Related Information (Details) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Warrants    
Exercised (in shares) (10,352) (265,484)
Warrants    
Warrants    
Outstanding at January 1 (in shares) 1,408,002 1,564,108
Granted (in shares) 0 0
Exercised (in shares) (9,349) (156,106)
Forfeited/Expired (in shares) 0 0
Outstanding at December 31 (in shares) 1,398,653 1,408,002
Weighted Average Exercise Price    
Outstanding at January 1 (in dollars per share) $ 4.57 $ 4.48
Granted (in dollars per share) 0.00 0.00
Exercised (in dollars per share) 3.48 3.72
Forfeited/Expired (in dollars per share) 0.00 0.00
Outstanding at December 31 (in dollars per share) $ 4.57 $ 4.57