Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) |
12 Months Ended |
|---|---|
|
Dec. 31, 2014
USD ($)
$ / shares
| |
| Consolidated Statements of Convertible Preferred Stock and Stockholders' Equity (Deficit) | |
| Preferred stock (in dollars per share) | $ / shares | $ 12.76 |
| Preferred stock issuance costs | $ | $ 86,933 |