Plan of Restructuring (Details) (USD $)	0 Months Ended	12 Months Ended
	Nov. 14, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Plan of Restructuring (Details) [Line Items]
Gains (Losses) on Extinguishment of Debt		$ 13,000	$ 60,000
Share Price (in Dollars per share)		$ 0.01	$ 0.10
Available-for-sale Securities	8,300,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)		$ 0.001	$ 0.001
Warrants Expiration Date	Sep. 13, 2013
Restructuring and Related Cost, Number of Positions Eliminated		18	8	30	50
Restructuring Charges		49,000	415,000	164,000	1,100,000
Convertible Notes Payable [Member] | Placement Agent [Member]
Plan of Restructuring (Details) [Line Items]
Payments for Fees		200,000
Debt Instrument, Interest Rate, Stated Percentage		4.00%
Convertible Notes Payable [Member]
Plan of Restructuring (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		4.00%
Proceeds from Secured Notes Payable		650,000
A Warrants [Member] | Placement Agent Warrants [Member]
Plan of Restructuring (Details) [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)		$ 5.00
Warrant Term		2 years
A Warrants [Member] | Common Stock [Member]
Plan of Restructuring (Details) [Line Items]
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares)		5,400
A Warrants [Member] | Placement Agent [Member]
Plan of Restructuring (Details) [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)		$ 5.00
A Warrants [Member]
Plan of Restructuring (Details) [Line Items]
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares)	400
Warrants Issued During Period (in Shares)	166,600	166,600
Purchase Price of Securites Issued Per Unit (in Dollars per Share)	$ 20,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)		$ 5.00
Class of Warrant or Right Number of Warrants Exercised During the Period (in Shares)	5,400	5,400
Warrants Expiration Date		Sep. 13, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Expirations (in Shares)	161,200	161,200
Warrant Term		1 year
Class of Warrant or Right, Outstanding (in Shares)		166,600
B Warrants [Member] | Placement Agent Warrants [Member] | A Warrants [Member]
Plan of Restructuring (Details) [Line Items]
Warrant Term		1 year
B Warrants [Member] | Placement Agent Warrants [Member]
Plan of Restructuring (Details) [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)		$ 12.50
Warrant Term		3 years
B Warrants [Member] | Common Stock [Member]
Plan of Restructuring (Details) [Line Items]
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares)		5,400
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)	$ 12.50
B Warrants [Member] | Placement Agent [Member]
Plan of Restructuring (Details) [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)		$ 12.50
B Warrants [Member]
Plan of Restructuring (Details) [Line Items]
Warrants Issued During Period (in Shares)	5,400	5,400
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)	$ 5.00	$ 12.50
Warrant Term		3 years
Placement Agent Warrants [Member] | Placement Agent [Member]
Plan of Restructuring (Details) [Line Items]
Warrants Issued During Period (in Shares)		24
Placement Agent Warrants [Member]
Plan of Restructuring (Details) [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)		$ 12.50
Credit Agreement [Member] | Senior Lender [Member] | Revolving Credit Facility [Member]
Plan of Restructuring (Details) [Line Items]
Payments for Restructuring		3,000,000
Common Stock [Member] | Convertible Preferred Stock [Member]
Plan of Restructuring (Details) [Line Items]
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares)	833,000
Convertible Preferred Stock, Shares Issued upon Conversion (in Shares)	833,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)	$ 0.001
Common Stock [Member] | 8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]
Plan of Restructuring (Details) [Line Items]
Debt Conversion, Converted Instrument, Shares Issued (in Shares)		10
Common Stock [Member]
Plan of Restructuring (Details) [Line Items]
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares)	2,000		833,000
Convertible Preferred Stock [Member] | Placement Agent [Member] | Series A Preferred Stock [Member]
Plan of Restructuring (Details) [Line Items]
Class of Warrant or Right, Outstanding (in Shares)		107,200
Convertible Preferred Stock [Member] | Series A Preferred Stock [Member]
Plan of Restructuring (Details) [Line Items]
Convertible Preferred Stock, Shares Issued upon Conversion (in Shares)	416,500
Preferred Stock, Par Value Per Share (in Dollars per share)	$ 1.00
Preferred Stock Stated Value Per Share (in Dollars per share)	$ 20.00
Convertible Preferred Stock [Member]
Plan of Restructuring (Details) [Line Items]
Stock Issued During Period, Shares, Conversion of Units (in Shares)	1,000
Placement Agent [Member]
Plan of Restructuring (Details) [Line Items]
Payments for Fees		200,000
Placement Agent [Member] | Maximum [Member]
Plan of Restructuring (Details) [Line Items]
Payments for Fees		8,000,000
8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]
Plan of Restructuring (Details) [Line Items]
Debt Instrument Exchange Offer Amount		225
Debt Conversion, Converted Instrument, Amount		1,000
Debt Conversion, Original Debt, Amount		9,000,000
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares)		90,000
Payments for Restructuring		2,000,000
9½% Subordinated Debentures Due 2012 [Member]
Plan of Restructuring (Details) [Line Items]
Debt Instrument Exchange Offer Amount		100
Debt Conversion, Converted Instrument, Amount		1,000
Debt Conversion, Original Debt, Amount		723,000
Payments for Restructuring		72,000
Term Loan Credit Facility [Member]
Plan of Restructuring (Details) [Line Items]
Payments for Restructuring		321,000
Revolving Credit Facility [Member]
Plan of Restructuring (Details) [Line Items]
Payments for Restructuring		$ 1,000,000