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ACCRUED EXPENSES AND OTHER LIABILITIES (Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
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ACCRUED EXPENSES AND OTHER LIABILITIES [Abstract] |  |
Payroll | $ 2,733,000 | $ 1,829,000
Accrued vacation | 1,872,000 | 1,960,000
Taxes - other than income | 2,063,000 | 1,956,000
Interest | 152,000 | 114,000
Driver escrows | 1,197,000 | 1,010,000
Margin account borrowings | 10,711,000 | 0
Self-insurance claims | 2,580,000 | 2,801,000
Total accrued expenses and other liabilities | $ 21,308,000 | $ 9,670,000

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