Subsequent Events

3 Months Ended

Mar. 31, 2014

Subsequent Events [Abstract]

Subsequent Events

16.          Subsequent Events

On April 14, 2014, the Company agreed to sell 12,500,000 shares of common stock at a public offering price of $4.00 per share for aggregate gross proceeds of $50.0 million in an underwritten firm commitment public offering. The Company has granted the underwriters an option, exercisable for 30 days, to purchase up to an additional 1,875,000 shares of common stock to cover over-allotments. Certain of the Company's existing stockholders that are affiliated with certain of the Company's directors have agreed to purchase $10 million of common stock in the public offering. The common stock was offered and sold pursuant to the Company's shelf registration statement on Form S-3 (File No. 333-193235) registering an aggregate of $100 million of designated securities of the Company. The shelf registration statement was declared effective by the SEC on April 2, 2014. The closing of the public offering occurred on April 21, 2014. On April 30, 2014, the underwriters exercised a portion of their over-allotment option to acquire an additional 1,610,000 shares at the public offering price of $4.00 per share for aggregate additional gross proceeds of $6.4 million. The purchase of the over-allotment shares closed on May 5, 2014.