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Note 1 - Summary of Significant Accounting Policies (Details) - Estimated Useful Lives | 12 Months Ended
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Dec. 31, 2014
Tractors [Member] |
Property, Plant and Equipment [Line Items] |
Useful life | 5 years
Trailers [Member] |
Property, Plant and Equipment [Line Items] |
Useful life | 7 years
Service and Other Equipment [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Useful life | 3 years
Service and Other Equipment [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Useful life | 15 years
Building and Building Improvements [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Useful life | 20 years
Building and Building Improvements [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Useful life | 40 years

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- Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Details
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- Details
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- Details
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Period Type: |

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- Details
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