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Subsequent Events | 12 Months Ended
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Dec. 31, 2012
Subsequent Events [Abstract] |
Subsequent Events | Subsequent Events Between January 1, 2013 and February 28, 2013, the Company sold 8,222,966 shares of common stock under its Sales Agreement for net proceeds of $5.6 million. On March 7, 2013, the Company closed an underwritten offering of 27,377,266 shares of our common stock and warrants to purchase an aggregate of up to 13,688,633 shares of common stock. The shares and warrants are being sold in units at a price of $0.55 per unit, with each unit consisting of one share of common stock and a warrant to purchase 0.50 share of common stock at an exercise price of $0.7936 per share. The warrants have a term of five and one-half years. The net proceeds, after deducting the underwriters' discounts and other estimated offering expenses, and assuming no exercise of the warrants, were approximately $14.0 million.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References No definition available. + Details
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