Capital Stock (Details Textual) (USD $)	12 Months Ended	1 Months Ended
	Dec. 31, 2014	Jan. 31, 2002	Jun. 30, 2001	Dec. 31, 2013	Feb. 28, 2006	Jan. 31, 2010
Preferred Stock [Member]
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized	25,000,000
Preferred Stock, Par Or Stated Value Per Share	0.01
Shareholder Rights Plan [Member]
Dividends Payable [Line Items]
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.
Series A Preferred Stock [Member] | Convertible [Member]
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized	200,000		47,511
Preferred Stock, Par Or Stated Value Per Share	0.01		$ 0.01
Preferred Stock, Participation Rights	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
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
Series B Preferred Stock [Member] | Convertible [Member]
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized		100,000
Preferred Stock, Par Or Stated Value Per Share		$ 0.01
Preferred Stock, Dividend Rate, Percentage		12.00%
Preferred Stock, Dividend Rate, Per-Dollar-Amount		$ 1.20
Preferred Stock, Redemption Price Per Share		$ 15.00
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
Series C Preferred Stock [Member] | Convertible [Member]
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized					27,000
Preferred Stock, Par Or Stated Value Per Share					$ 0.01
Preferred Stock, Dividend Rate, Percentage	8.00%
Preferred Stock, Liquidation Preference, Value	1,000
Preferred Stock, Shares Issued	4,332			4,816
Preferred Stock, Voting Rights	Series C Convertible Preferred Stock was issued and other related transaction documents from beneficial control of more than 9.99% of our voting securities
Convertible Preferred Stock, Terms of Conversion	Each share of 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
Preferred Stock, Shares Outstanding	4,332			4,816
Series D Preferred Stock [Member] | Convertible [Member]
Dividends Payable [Line Items]
Preferred Stock, Shares Authorized						25,000
Preferred Stock, Par Or Stated Value Per Share						$ 0.01
Preferred Stock, Dividend Rate, Percentage	8.00%
Preferred Stock, Liquidation Preference, Value	100
Preferred Stock, Shares Issued	3,481			3,481
Convertible Preferred Stock, Terms of Conversion	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
Preferred Stock, Shares Outstanding	3,481			3,481