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Long-Term Debt (Tables)
 9 Months Ended
Sep. 30, 2012
Long-Term Debt [Abstract]  
Schedule Of Long-Term Debt To Unrelated Entities
    September 30, 2012   December 31, 2011
Note payable to a financial institution, with interest only        
payment until maturity. $ 11,388 $ 11,531
Installment notes bearing interest at the rate of 5.5% to        
8.25% per annum collateralized by vehicles with monthly        
payments including interest, insurance and maintenance of        
approximately $20,000   232   266
Total long-term debt   11,620   11,797
Less current maturities   (107   (103
Long-term debt, less current maturities $ 11,513 $ 11,694