Subsequent Event (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	9 Months Ended		1 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Oct. 31, 2012 Issuance of Equity [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, New Issues			17,500
October 2012 Offering Price Per Share			$ 2.25
Proceeds from Issuance of Common Stock	$ 1,055,000	$ 189,000	$ 37,200,000
Payments of Underwriting Discounts and Commissions			2,000,000
Payments of Stock Issuance Costs			$ 200,000