CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) - TEMPORARY EQUITY (PARENTHETICAL) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Series C convertible preferred stock
Convertible Preferred Stock
Share price (in dollars per share)		$ 8.00
Series D convertible preferred stock
Convertible Preferred Stock
Share price (in dollars per share)	$ 18.00	$ 11.38

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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