Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	12,547,684	493,178
Common stock, shares outstanding	12,547,684	493,178
Series A Redeemable Convertible Preferred Stock
Preferred stock, par value (in dollars per share)	$ 0	$ 0.01
Preferred stock, shares authorized	0	6,000,000
Preferred stock, shares issued	0	3,999,864
Preferred stock, shares outstanding	0	3,999,864
Preferred stock, liquidation preference	$ 0	$ 7,999,728