Subsequent Event

12 Months Ended

Dec. 31, 2014

Subsequent Events [Abstract]

Subsequent Event

15. Subsequent Event

In January 2015, the Company completed a secondary public offering of shares of its common stock, pursuant to which the Company issued 4,999,999 shares of common stock, which includes shares issued pursuant to the underwriters’ exercise of their over-allotment option, and received net proceeds of approximately $80.3 million, after underwriting discounts, commissions and estimated offering expenses.