v2.4.0.8
Accrued expenses and other current liabilities (Details) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Accrued expenses and other current liabilities [Abstract]    
Accrued compensation $ 432,311 $ 281,287
Accrued interest 2,093,741   
Accrued registration penalty 156,000   
Accrued royalties 215,101 150,222
Accrued sales returns 239,033   
Accrued sales taxes 516,426 1,417
Other accrued expenses 131,502 226,769
Accrued expenses and other current liabilities $ 3,784,114 $ 659,695