Reverse Stock Split

12 Months Ended

Dec. 31, 2012

Reverse Stock Split [Abstract]

Reverse Stock Split

Reverse Stock Split

On October 19, 2011, the Company’s board of directors approved a 2.1-for-one reverse split of the Company’s common stock to be effected prior to the effective date of the Company’s IPO. In connection with the reverse split, the Company filed a Certificate of Amendment of the Restated Certificate of Incorporation with the Secretary of State of Delaware on October 25, 2011 making the reverse split effective. All share and per share amounts have been retroactively restated in the accompanying financial statements and notes for all periods presented.