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Going Concern (Details) (USD $)
6 Months Ended
Jun. 30, 2013
Going Concern (Details) [Line Items]  
Defined Benefit Plan, Funded Status of Plan $ 6,500,000
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year 1,400,000
Defined Benefit Plan, Contributions by Employer 218,000
Pension Plan, Defined Benefit [Member]
 
Going Concern (Details) [Line Items]  
Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year 1,700,000
8¼% Limited Convertible Senior Subordinated Notes Due 2012 [Member]
 
Going Concern (Details) [Line Items]  
Convertible Notes Payable 1,100,000
9½% Subordinated Debentures Due 2012 [Member]
 
Going Concern (Details) [Line Items]  
Convertible Notes Payable $ 334,000