Preferred Stock	12 Months Ended
Dec. 31, 2013
Preferred Stock [Abstract]
Preferred Stock [Text Block]	Preferred Stock Convertible Redeemable Series E 7% Preferred Stock On November 19, 2010, the Company sold 10,582,011 Preferred Offering Units consisting of (i) one share (“Preferred Share”) of Series E 7% Senior Convertible Preferred Stock (the “Series E Preferred Stock”), par value $0.01 per share, of the Company, (ii) a warrant to purchase 0.25 of a share of common stock (consisting of at issuance an aggregate of 132,249 warrants, adjusted to an aggregate of 222,446 as of December 31, 2013); and (iii) 0.0155 of a share of common stock (an aggregate of 16,442 common shares). Each Preferred Offering Unit was priced at $0.945 and total gross and net proceeds received by the Company were $10.0 million and $8.9 million, respectively. Monthly dividend and principal payments began in March 2011, and continued each month thereafter with the final payment due in May 2013. In October 2012, the Company completed the redemption of all 2,351,558 Series E Preferred Stock shares then remaining outstanding, for an aggregate cash redemption price of approximately $3.4 million, $2.5 million of which was funded by money placed into escrow when the Series E Preferred stock was issued in November 2010. The cash redemption included the repayment of $3.1 million outstanding principal, an additional early redemption premium of $0.2 million, which was included in dividends, and $36,000 of accrued interest. The Company recorded the fair value of the warrants as a short-term derivative liability as of December 31, 2013, and long-term derivative liability as of December 31,2012. The fair values of the warrant derivatives as of December 31, 2013 and December 31, 2012 were $23,200 and $101,200, respectively. The Company reports changes in the fair value of the warrant derivative in earnings within other income (expense), net (see Note 7).

Preferred Stock

Convertible Redeemable Series E 7% Preferred Stock

On November 19, 2010, the Company sold 10,582,011 Preferred Offering Units consisting of (i) one share (“Preferred Share”) of Series E 7% Senior Convertible Preferred Stock (the “Series E Preferred Stock”), par value $0.01 per share, of the Company, (ii) a warrant to purchase 0.25 of a share of common stock (consisting of at issuance an aggregate of 132,249 warrants, adjusted to an aggregate of 222,446 as of December 31, 2013); and (iii) 0.0155 of a share of common stock (an aggregate of 16,442 common shares). Each Preferred Offering Unit was priced at $0.945 and total gross and net proceeds received by the Company were $10.0 million and $8.9 million, respectively.

Monthly dividend and principal payments began in March 2011, and continued each month thereafter with the final payment due in May 2013. In October 2012, the Company completed the redemption of all 2,351,558 Series E Preferred Stock shares then remaining outstanding, for an aggregate cash redemption price of approximately $3.4 million, $2.5 million of which was funded by money placed into escrow when the Series E Preferred stock was issued in November 2010. The cash redemption included the repayment of $3.1 million outstanding principal, an additional early redemption premium of $0.2 million, which was included in dividends, and $36,000 of accrued interest.

The Company recorded the fair value of the warrants as a short-term derivative liability as of December 31, 2013, and long-term derivative liability as of December 31,2012. The fair values of the warrant derivatives as of December 31, 2013 and December 31, 2012 were $23,200 and $101,200, respectively. The Company reports changes in the fair value of the warrant derivative in earnings within other income (expense), net (see Note 7).