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Note 4 - Related Party Transactions	9 Months Ended
Note 4 - Related Party Transactions	Sep. 30, 2016
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	(4) Related Party Transactions We purchase fuel and tires and obtain related services from Bauer Built, Inc., or BBI. Jerry M. Bauer, one of our directors, is the chairman of the board, chief executive officer and the principal stockholder of BBI. We paid BBI $278,000 in the first nine months of 2016 and $274,000 in the first nine months of 2015 for fuel , tires and related services. In addition, we paid $1.5 million in the first nine months of 2016 and $1.1 million in the first nine months of 2015 to tire manufacturers for tires that were provided by BBI. BBI received commissions from the tire manufacturers related to these purchases. We provide transportation services to MW Logistics, LLC (MWL) as described in Note 8.