CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Stock-based incentive plan, shares	1,050	9,134
Accrued dividends	$ 801
Issuance of shares in common stock offering	15,000,000
Offering issuance costs	2,214
Preferred Stock
Accrued dividends	801
Common Stock
Issuance of shares in common stock offering	15,000,000
Offering issuance costs	2,214
Additional Paid-In Capital
Stock-based incentive plan, shares	1,050	9,134
Issuance of shares in common stock offering	15,000,000
Offering issuance costs	2,214
Accumulated Deficit
Accrued dividends	$ 801