Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 4)

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Stockholders' Equity (Details 4) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Equity [Abstract]        
Share-based compensation expense $ 774,417 $ 184,162 $ 1,152,309 $ 363,908