Business Description and Summary of Significant Accounting Policies (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Calculation of basic and diluted weighted average shares outstanding and earnings per share of common stock
Net income (loss)	$ (6,406)	$ (1,852)	$ 361	$ (5,176)	$ (3,067)	$ (3,568)	$ (4,020)	$ 328	$ (13,073)	$ (10,327)	$ 11,687
Preferred stock dividends									(3,723)	(3,723)	(3,723)
Income (loss) attributable to common stock	$ (7,337)	$ (2,782)	$ (570)	$ (6,107)	$ (3,998)	$ (4,498)	$ (4,951)	$ (603)	$ (16,796)	$ (14,050)	$ 7,964
Weighted average shares:
Weighted average shares - basic									11,332,129	11,250,513	11,191,496
Dilutive effect of stock options outstanding at the end of period											19,108
Weighted average shares - fully diluted									11,332,129	11,250,513	11,210,604
Net income (loss) per share:
Basic	$ (0.64)	$ (0.25)	$ (0.05)	$ (0.54)	$ (0.36)	$ (0.40)	$ (0.44)	$ (0.05)	$ (1.48)	$ (1.25)	$ 0.71
Diluted	$ (0.64)	$ (0.25)	$ (0.05)	$ (0.54)	$ (0.36)	$ (0.40)	$ (0.44)	$ (0.05)	$ (1.48)	$ (1.25)	$ 0.71