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Equity Incentive Plans (Tables)
6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity
Options   Number of options   Weighted average exercise price   Weighted Average Grant Date Fair Value
Outstanding at January 1, 2018           104,250   $                        27.5   $                          7.0605
Granted                    -                                  -                                         -   
Vested                    -                                  -                                         -   
Outstanding as of June 30, 2018           104,250   $                        27.5   $                          7.0605
Schedule of Share-based Compensation, Restricted Shares, Activity
    Number of shares     Weighted Average Grant Date Fair Value
Unvested as at January 1, 2018   280,000   $ 8.09
Granted   672,500     11.68
Vested   (80,000)     4.35
Unvested as at June 30, 2018   872,500   $ 11.20