Note A - Basis of Presentation	9 Months Ended
Sep. 30, 2015
Notes to Financial Statements
Basis of Accounting [Text Block]	NOTE A: BASIS OF PRESENTATION The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements. In management’s opinion, all adjustments (consisting of normal recurring adjustments) necessary for a fair presentation have been included. The consolidated balance sheet at December 31, 2014 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements. Operating results for the nine-month period ended September 30, 2015 are not necessarily indicative of the results that may be expected for the year ending December 31, 2015. For further information, refer to the consolidated financial statements and the footnotes thereto included in the Company’s annual report on Form 10-K for the year ended December 31, 2014. During the first quarter of 2015, the Company began to classify payments for fuel and operating taxes and licenses as operating supplies and expenses, and communications and utilities as other expenses, rather than separately as had been presented in reports prior to the period ended March 31, 2015. This reclassification has no effect on operating income, net income or earnings per share. The Company has made corresponding reclassifications to comparative periods shown.

NOTE A: BASIS OF PRESENTATION

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements. In management’s opinion, all adjustments (consisting of normal recurring adjustments) necessary for a fair presentation have been included. The consolidated balance sheet at December 31, 2014 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements. Operating results for the nine-month period ended September 30, 2015 are not necessarily indicative of the results that may be expected for the year ending December 31, 2015. For further information, refer to the consolidated financial statements and the footnotes thereto included in the Company’s annual report on Form 10-K for the year ended December 31, 2014.

During the first quarter of 2015, the Company began to classify payments for fuel and operating taxes and licenses as operating supplies and expenses, and communications and utilities as other expenses, rather than separately as had been presented in reports prior to the period ended March 31, 2015. This reclassification has no effect on operating income, net income or earnings per share. The Company has made corresponding reclassifications to comparative periods shown.