Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.6
Line of Credit, Short-Term and Long-Term Borrowings (Details) (USD $)
Mar. 31, 2012
Dec. 31, 2011
Long-term debt    
Long-term debt $ 84,086,000 $ 86,590,000
Less current installments 10,145,000 10,059,000
Total long-term debt 73,941,000 76,531,000
Line of Credit Short-Term and Long-Term Borrowings (Textual) [Abstract]    
Outstanding letters of credit 3,100,000  
Short-term Borrowings 54,552,000 50,413,000
Note payable to bank one [Member]
    
Long-term debt    
Long-term debt 32,964,000 34,259,000
Line of Credit Short-Term and Long-Term Borrowings (Additional Textual) [Abstract]    
Monthly repayment installment of note payable   531,400
Fixed interest rate of note payable   3.54%
Balloon payment required under note payable   12,635,000
Note payable to bank two [Member]
    
Long-term debt    
Long-term debt 32,821,000 34,005,000
Line of Credit Short-Term and Long-Term Borrowings (Additional Textual) [Abstract]    
Monthly repayment installment of note payable   483,900
Fixed interest rate of note payable   3.19%
Balloon payment required under note payable   11,670,000
Loan From HF Logistics [Member]
    
Long-term debt    
Long-term debt 18,276,000 18,297,000
Capital lease obligations [Member]
    
Long-term debt    
Long-term debt $ 25,000 $ 29,000