Quarterly report pursuant to Section 13 or 15(d)

Derivative liability (Details)

v3.3.0.814
Derivative liability (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 16, 2013
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Fair Value Measurements [Line Items]            
Fair value of derivative liability   $ 2,324,000   $ 2,324,000   $ 6,241,000
Trading market values       $ 3.55   $ 4.85
Term (years)       4 months 27 days   1 year 58 days
Expected volatility       67.00%   26.80%
Risk-free rate       0.05%   0.32%
Discount rate       0.91%   1.18%
Effective Exercise price   $ 5.00   $ 5.00   $ 5.00
Trigger price       $ 6.25   $ 6.25
Derivative income   $ 1,139,000 $ (991,588) $ 3,917,000 $ 1,793,124  
The One Group            
Fair Value Measurements [Line Items]            
Additional payments to TOG Members $ 14,100,000          
Shares required for additional payments to TOG Members 5,750,000          
Exercise price of warrants (in dollars per share) $ 5.00          
Aggregate contingent sign-on bonus $ 900,000          
Minimum price per share per agreement (in dollars per share) $ 6.25          
Threshold number of days above minimum stock price during measurement period 20 days          
Number of days in measurement period 30 days          
Fair value of derivative liability $ 15,000,000          
Period following expected date of effective registration 2 years          
Effective Exercise price $ 5.00          
Trigger price $ 6.25