Plan of Restructuring (Details) (USD $)	1 Months Ended	3 Months Ended					0 Months Ended									0 Months Ended			0 Months Ended	3 Months Ended		0 Months Ended	3 Months Ended				1 Months Ended	3 Months Ended	1 Months Ended	3 Months Ended		12 Months Ended	3 Months Ended
	Nov. 30, 2011	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Nov. 14, 2011	Nov. 14, 2011 Private Placement [Member]	Nov. 14, 2011 Placement Agent Warrants [Member]	Mar. 31, 2013 Placement Agent Warrants [Member]	Nov. 14, 2011 A Warrants [Member] Placement Agent [Member]	Mar. 31, 2013 A Warrants [Member]	Nov. 14, 2011 A Warrants [Member]	Nov. 14, 2011 B Warrants [Member] Placement Agent [Member]	Mar. 31, 2013 B Warrants [Member]	Nov. 14, 2011 B Warrants [Member]	Nov. 14, 2011 Convertible Preferred Stock [Member] Series A Preferred Stock [Member]	Nov. 14, 2011 Convertible Preferred Stock [Member]	Nov. 14, 2011 A Warrants [Member]	Nov. 14, 2011 B Warrants [Member]	Nov. 14, 2011 Placement Agent [Member] Secured Debt [Member]	Mar. 31, 2013 Placement Agent [Member]	Nov. 14, 2011 Series A Preferred Stock [Member]	Nov. 14, 2011 Convertible Common Stock [Member]	Mar. 31, 2013 2010 Restructuring Actions [Member]	Mar. 31, 2013 2011 Restructuring Actions [Member]	Mar. 31, 2013 2012 Restructuring Actions [Member]	Mar. 31, 2013 2013 Restructuring Actions [Member]	Nov. 30, 2011 8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]	Mar. 31, 2013 8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]	Nov. 30, 2011 9½% Subordinated Debentures Due 2012 [Member]	Mar. 31, 2013 9½% Subordinated Debentures Due 2012 [Member]	Mar. 31, 2013 Term Loan Credit Facility [Member]	Dec. 31, 2011 Secured Debt [Member]	Mar. 31, 2013 Revolving Credit Facility [Member]
Plan of Restructuring (Details) [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						4.00%																										4.00%
Debt Instrument, Exchange Offer Amount																												$ 225		$ 100
Debt Conversion, Converted Instrument, Shares Issued (in Shares)																												250
Debt Insturment, Denomination of Per Instrument Exchanged (in Dollars per Item)																												1,000		1,000
Debt Conversion, Original Debt, Amount																												9,000,000		723,000
Debt Conversion, Converted Instrument, Amount																														718,000
Common Stock, Shares, Issued (in Shares)		25,895,424		25,895,424																								2,200,000
Gains (Losses) on Extinguishment of Debt	8,800,000		4,000																								4,000		5,000
Available-for-sale Securities					8,300,000
Preferred Stock, Shares Outstanding (in Shares)																					416,500
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)															$ 1.00
Preferred Stock Stated Value Per Share (in Shares)															20.00
Stock Issued During Period, Shares, Conversion of Convertible Securities (in Shares)																						20,825,000
Common Stock, Par or Stated Value Per Share (in Dollars per share)		$ 0.001		$ 0.001																		$ 0.001
Warrants Issued During Period (in Shares)							1,200,000										4,165,000
Purchase Price Of Securites Issued Per Unit (in Dollars per Item)					20,000
Stock Issued During Period, Shares, Conversion of Units (in Shares)																1,000	10,000					50,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)							$ 0.50	$ 0.50	$ 0.20		$ 0.20	$ 0.50		$ 0.50			$ 0.20	$ 0.50
Placement Agent Fees		8,000,000
Placement Agent Cash Fee																				200,000
Notes Issued																				200,000
Debt Instrument, Interest Rate, Effective Percentage																				4.00%													5.25%
Warrants Purchase in Units								24
Payments for Restructuring																												2,000,000		72,000	321,000		1,000,000
Class of Warrant or Right, Outstanding (in Shares)								2,680,000		4,165,000			4,165,000
Proceeds from Issuance of Private Placement (in Dollars)																			650,000													650,000
Number Of Restructuring Units																							50	30	8	18
Restructuring Charges		$ 50,000	$ 10,000																				$ 1,100,000	$ 164,000	$ 415,000	$ 50,000