Quarterly report pursuant to sections 13 or 15(d)

Derivative liability (Details)

v2.4.0.8
Derivative liability (Details) (USD $)
 3 Months Ended 12 Months Ended 0 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Oct. 16, 2013
The One Group [Member]
Fair Value Measurements [Line Items]      
Fair value of derivative liability $ 10,143,000 $ 10,095,000 $ 15,000,000
Trading market values (1) $ 5.75 [1] $ 5.75 [1]  
Term (years) (2) 1 year 10 months 28 days [2] 2 years 29 days [2]  
Expected volatility (1) 38.10% [1] 41.40% [1]  
Risk-free rate (2) 0.44% [2] 0.38% [2]  
Discount rate (3) 1.30% [3] 1.24% [3]  
Effective Exercise price (2) $ 5.00 [2] $ 5.00 [2]  
Trigger price (2) $ 6.25 [2] $ 6.25 [2]  
Expected months until effective registration (3) 1 month [3] 1 month [3]  
Derivative expense (48,000)     
Additional payments to TOG Members     14,100,000
Shares required for additional payments to TOG Members     5,750,000
Exercise price of warrants     5.00
Aggregate contingent sign-on bonus     $ 900,000
Minimum price per share per agreement     $ 6.25
[1] Level 1 inputs are quoted prices in active markets for identical assets and liabilities, or derived therefrom.
[2] Level 2 inputs are inputs other than quoted prices that are observable.
[3] Level 3 inputs are unobservable inputs. Inputs for which any parts are level 3 inputs are classified as level 3 in their entirety.