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Fair Value (Annual and Quarter) (Detail) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Dec. 31, 2010
Money Market Funds, at Carrying Value $ 210,000 $ 261,000 $ 5,000
Cash Surrender Value of Life Insurance 70,000 70,000 71,000
Long-term Debt, Fair Value 3,200,000 3,500,000  
Notes Payable, Fair Value Disclosure 247,000 259,000  
Debenture, Fair Value 33,000 34,000  
8¼% Limited convertible senior subordinated notes due 2012 [Member]
     
Convertible Debt, Fair Value Disclosures   259,000 1,200,000
9½% Subordinated debentures due 2012 [Member}
     
Long-term Debt, Fair Value   $ 34,000 $ 100,000