Quarterly report pursuant to Section 13 or 15(d)

Line of Credit, Short-Term and Long-Term Borrowings (Details)

 v2.3.0.11
Line of Credit, Short-Term and Long-Term Borrowings (Details) (USD $)
Jun. 30, 2011
Dec. 31, 2010
Long-term debt    
Long-term debt $ 90,968,000 $ 63,634,000
Less current installments 9,893,000 11,984,000
Total long-term debt 81,075,000 51,650,000
Additional Line of Credit Short-Term and Long-Term Borrowings (Textuals) [Abstract]    
Outstanding letters of credit 1,600,000  
Short-term borrowings 46,096,000 18,346,000
Note payable to bank one [Member]
    
Long-term debt    
Long-term debt 36,814,000 39,325,000
Line of Credit Short-Term and Long-Term Borrowings (Textuals) [Abstract]    
Monthly Repayment Installment Of Note Payable 531,400  
Fixed interest rate of note payable 3.54%  
Baloon payment required under note payable 12,635,000  
Note payable to bank two [Member]
    
Long-term debt    
Long-term debt 36,344,000 0
Line of Credit Short-Term and Long-Term Borrowings (Textuals) [Abstract]    
Monthly Repayment Installment Of Note Payable 483,900  
Fixed interest rate of note payable 3.19%  
Baloon payment required under note payable 11,670,000  
Note payable to bank three [Member]
    
Long-term debt    
Long-term debt 0 6,900,000
Line of Credit Short-Term and Long-Term Borrowings (Textuals) [Abstract]    
Monthly Repayment Installment Of Note Payable 57,600  
Fixed interest rate of note payable 7.89%  
Baloon payment required under note payable 6,889,000  
Loan From HF Logistics [Member]
    
Long-term debt    
Long-term debt 17,766,000 17,358,000
Capital lease obligations [Member]
    
Long-term debt    
Long-term debt $ 44,000 $ 51,000