Capital Stock (Details Textual) (USD $)		12 Months Ended		1 Months Ended	12 Months Ended		12 Months Ended			12 Months Ended
	Jun. 30, 2001	Dec. 31, 2013 Shareholder Rights Plan [Member]	Dec. 31, 2013 Series A Preferred Stock [Member]	Jan. 31, 2002 Series B Preferred Stock [Member]	Dec. 31, 2013 Series D Preferred Stock [Member]	Jan. 31, 2002 Series B Convertible Preferred Stock [Member]	Dec. 31, 2013 Series C Convertible Preferred Stock [Member]	Dec. 31, 2012 Series C Convertible Preferred Stock [Member]	Feb. 28, 2006 Series C Convertible Preferred Stock [Member]	Dec. 31, 2013 Series D Convertible Preferred Stock [Member]	Dec. 31, 2012 Series D Convertible Preferred Stock [Member]	Jan. 31, 2010 Series D Convertible Preferred Stock [Member]
Dividends Payable [Line Items]
Convertible preferred stock, shares authorized	47,511		200,000		25,000,000	100,000	27,000	27,000	27,000	25,000	25,000	25,000
Convertible preferred stock, par value (in dollars per share)	$ 0.01		$ 0.01		$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Preferred Stock, Participation Rights		As further defined in detail within the shareholder rights plan, the rights generally will be exercisable only if (1) an Acquiring Person or Adverse Person acquires beneficial ownership equal to or greater than 25% or 15%, respectively, or (2) commences a tender offer upon consummation of which the Acquiring Person or Adverse Person would have beneficial ownership equal to or greater than 25% or 15%, respectively.	The right to receive mandatory cash dividends equal to the greater of $0.001 per share or 100 times the amount of all dividends
Preferred Stock, Voting Rights			One hundred votes per share of Series A Preferred on each matter submitted to a vote of our shareholders				Series C Convertible Preferred Stock was issued and other related transaction documents from beneficial control of more than 9.99% of our voting securities
Preferred Stock, Dividend Rate, Percentage				12.00%			8.00%			8.00%
Preferred Stock, Redemption Price Per Share				$ 15.00
Preferred Stock, Dividend Rate, Per-Dollar-Amount				$ 1.20
Preferred Stock, Liquidation Preference Per Share				$ 12.00
Preferred Stock, Conversion Basis				Series B Preferred is automatically convertible into the then existing general class of common stock on the first anniversary of issuance at a price equal to $16.20 divided by the greater of $20.00 or the lowest publicly-sold share price during the 90 day period preceding the conversion date, but in no event more than 19.9% of our outstanding capital stock as of the date immediately prior to conversion
Preferred Stock, Liquidation Preference, Value							$ 1,000			$ 100
Convertible Preferred Stock, Terms of Conversion			The right to exchange each share of Series A Preferred for 100 times the consideration received per share of common stock		Each share of Series D preferred stock is convertible, at the option of the holder, into shares of our common stock at the lesser of (i) $2.00 or (ii) 97% of the lowest closing bid price of our common stock for the 125 trading days immediately preceding the date of conversion		Series C preferred stock is convertible, at the option of the holder, into shares of our common stock at the lesser of (i) $50.00 or (ii) 97% of the lowest closing bid price of our common stock for the 125 trading days immediately preceding the date of conversion
Convertible preferred stock, shares issued					25,000		4,816	4,840		3,481	3,481
Convertible preferred stock, shares outstanding							4,816	4,840		3,481	3,481