Property, Equipment and Depreciation	6 Months Ended
Property, Equipment and Depreciation	Jun. 30, 2011
Property, Equipment and Depreciation [Abstract]
Property, Plant and Equipment Disclosure [Text Block]	Property, Equipment, and Depreciation Property and equipment are reported at cost, net of accumulated depreciation, while maintenance and repairs are charged to operations as incurred. Tires are capitalized separately from revenue equipment and are reported separately as “Prepaid Tires” and amortized over two years. Depreciation expense of $0.2 million and $0.3 million for the three and six months ended June 30, 2011 has been included in communication and utilities in the consolidated statements of income. Depreciation for financial statement purposes is computed by the straight-line method for all assets other than tractors. Effective January 1, 2009, the Company changed its estimate of depreciation expense on tractors acquired subsequent to January 1, 2009, to 150% declining balance, to better reflect the estimated trade value of the tractors at the estimated trade date. The change was the result of the current cost of new tractors, current tractor trade values and the expected values in the trade market when the tractors would be traded in the future. Tractors acquired prior to December 31, 2008 will continue to be depreciated using the 125% declining balance method. Approximately 85% of the Company's current tractor fleet were purchased after January 1, 2009 and therefore are being depreciated using the 150% declining balance method of depreciation. Tractors are depreciated to salvage values of $15,000 while trailers are depreciated to salvage values of $4,000.

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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