Annual report pursuant to Section 13 and 15(d)

Stock Options - Summary of Non Vested Stock Options (Details)

v3.8.0.1
Stock Options - Summary of Non Vested Stock Options (Details) - $ / shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Shares Non-vested , Beginning balance 3,826,274 2,035,254
Shares, Granted 1,681,500 3,020,000
Shares, vested (2,003,806) (1,194,600)
Shares, Forfeited (173,979) (34,380)
Shares Outstanding, Ending balance 3,329,989 3,826,274
Weighted Average fair value non vested, Beginning balance $ 2.86 $ 0.85
Weighted Average fair value, Forfeited 5.03  
Weighted Average fair value non vested, Ending balance $ 4.61 $ 2.86