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Stockholders’ Equity (RSU) (Details) - USD ($)
1 Months Ended 12 Months Ended
Jan. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Options awards      
Additional disclosures      
Unrecognized compensation expense for options   $ 5,100,360  
Weighted average recognition period for unrecognized compensation   1 year 6 months  
Restricted stock awards      
Shares      
Unvested Balance at the beginning of the period (in shares) 11,765 11,765 80,237
Granted (in shares)   450,000  
Vested (in shares)   (11,765) (59,279)
Forfeited (in shares)     (9,193)
Unvested Balance at the end of the period (in shares)   450,000.00 11,765
Weighted Average Grant date Fair Value per Share      
Granted (in dollars per share)   $ 5.25  
Additional disclosures      
Unrecognized compensation expense for restricted stock   $ 1,600,000  
Weighted average recognition period for unrecognized compensation   2 years 1 month 6 days  
Restricted stock awards | Minimum      
Additional disclosures      
Vesting period   3 years  
Restricted stock awards | Maximum      
Additional disclosures      
Vesting period   4 years  
Executive Officers | Options awards      
Additional disclosures      
Minimum closing price (in dollars per share) $ 20.00    
Consecutive trading days 5 days    
Executive Officers | Restricted stock awards      
Additional disclosures      
Vesting period 3 years    
Minimum closing price (in dollars per share) $ 20.00    
Consecutive trading days 5 days    
Shares      
Granted (in shares) 450,000    
December 31, 2016 | Options awards      
Additional disclosures      
Unrecognized compensation expense for options   $ 3,926,109  
December 31, 2017 | Options awards      
Additional disclosures      
Unrecognized compensation expense for options   871,911  
December 31, 2018 | Options awards      
Additional disclosures      
Unrecognized compensation expense for options   283,294  
December 31, 2019 | Options awards      
Additional disclosures      
Unrecognized compensation expense for options   $ 19,046