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Subsequent Events	9 Months Ended
	Sep. 30, 2012
Subsequent Events [Abstract]
Subsequent Events	12. Subsequent Events Between October 1, 2012 and October 15, 2012, the Company sold an additional 2,308,400 shares of common stock under its Sales Agreement for net proceeds of $1.5 million.

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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.

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