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Note 7 - Debt (Detail) - Current and Long-term Debt (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Borrowings under Credit Facility $ 6,031 $ 15,890
Total debt 76,363 96,258
Total debt 95,311 128,167
Capital lease obligations, secured by related revenue equipment 2,025 1,957
Capital lease obligations, secured by related revenue equipment 15,099 16,129
Total debt and capital lease obligations 78,388 98,215
Total debt and capital lease obligations 110,410 144,296
Revenue Equipment Installment Notes [Member]
    
Secured notes payable - current 69,859 80,003
Secured notes payable - long-term 92,865 125,666
Real Estate Note [Member]
    
Secured notes payable - current 365 365
Secured notes payable - long-term 2,111 2,258
Other Note Payable [Member]
    
Other note payable, interest rate of 3.0% at June 30, 2012, and December 31, 2011, with fixed maturity at November 2016 108  
Other note payable, interest rate of 3.0% at June 30, 2012, and December 31, 2011, with fixed maturity at November 2016 $ 335 $ 243