CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Preferred stock, par value (in USD per share)	$ 0.001
Preferred stock, shares authorized	50,000,000	50,000,000
Common stock, par value (in USD per share)	$ 0.001	$ 0.001
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	29,765,702	28,239,276
Common stock, shares outstanding	29,765,702	28,239,276
Common stock, shares held in escrow	1,108,928
Series A Preferred Stock
Preferred stock, par value (in USD per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	492,716	612,943
Preferred stock, shares outstanding	492,716	612,943
Preferred stock, liquidation preference	$ 734,147	$ 913,285
Series B Preferred Stock
Temporary equity, par value (in USD per share)	$ 0.001	$ 0.001
Temporary equity, shares authorized	10,000,000	10,000,000
Temporary equity, shares issued	4,832,422	8,160,809
Temporary equity, shares outstanding	4,832,422	8,160,809
Temporary equity, liquidation preference	$ 14,980,508
Preferred stock, shares authorized	10,000,000
Preferred stock, shares issued	8,283,234	8,160,809
Preferred stock, shares outstanding		8,160,809
Series B1 Preferred Stock
Temporary equity, par value (in USD per share)	$ 0.001
Temporary equity, shares authorized	17,000,000
Temporary equity, shares issued	12,403,683
Temporary equity, shares outstanding	12,403,683
Temporary equity, liquidation preference	$ 19,349,745
Preferred stock, shares authorized	17,000,000
Series C Preferred Stock
Preferred stock, par value (in USD per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	44,000
Preferred stock, shares issued	44,000	0
Preferred stock, shares outstanding	44,000	0
Preferred stock, liquidation preference	$ 4,400,000