Equity Incentive Awards and Warrants (Details 6) (Performance Units [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance Stock Units Outstanding	329	350
Performance Stock Units, Nonvested, Weighted Average Grant Date Fair Value	$ 1.90	$ 1.90
Performance Stock Units Forfeited	(21)
Performance Stock Units, Forfeited in Period, Weighted Average Grant Date Fair Value	$ 1.90