Note 1 - Interim Financial Statements	6 Months Ended
Jun. 30, 2015
Disclosure Text Block [Abstract]
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	Note 1. Interim Financial Statements Basis of Presentation These condensed Consolidated Financial Statements contain unaudited information as of June 30, 2015 and for the three- and six-month periods ended June 30, 2015 and 2014. The unaudited interim financial statements have been prepared pursuant to the rules and regulations for reporting on Form 10-Q. Accordingly, certain disclosures required by accounting principles generally accepted in the United States of America for annual financial statements are not included herein. In management’s opinion, these unaudited financial statements reflect all adjustments (which include only normal recurring adjustments) necessary for a fair presentation of the information when read in conjunction with our 2014 audited Consolidated Financial Statements and the related notes thereto. The financial information as of December 31, 2014 is derived from our Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 2, 2015. The interim condensed Consolidated Financial Statements should be read in conjunction with the Consolidated Financial Statements and the notes thereto included in our 2014 Annual Report on Form 10-K. The results of operations for the interim periods presented are not necessarily indicative of the results to be expected for the full year. Reclassifications Certain reclassifications of amounts previously reported have been made to the accompanying consolidated financial statements to maintain consistency and comparability between periods presented. These reclassifications had no impact on previously reported net income.

Note 1 - Interim Financial Statements

6 Months Ended

Jun. 30, 2015

Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]

Note 1. Interim Financial Statements

Basis of Presentation

These condensed Consolidated Financial Statements contain unaudited information as of June 30, 2015 and for the three- and six-month periods ended June 30, 2015 and 2014. The unaudited interim financial statements have been prepared pursuant to the rules and regulations for reporting on Form 10-Q. Accordingly, certain disclosures required by accounting principles generally accepted in the United States of America for annual financial statements are not included herein. In management’s opinion, these unaudited financial statements reflect all adjustments (which include only normal recurring adjustments) necessary for a fair presentation of the information when read in conjunction with our 2014 audited Consolidated Financial Statements and the related notes thereto. The financial information as of December 31, 2014 is derived from our Annual Report on Form 10-K filed with the Securities and Exchange Commission on March 2, 2015. The interim condensed Consolidated Financial Statements should be read in conjunction with the Consolidated Financial Statements and the notes thereto included in our 2014 Annual Report on Form 10-K. The results of operations for the interim periods presented are not necessarily indicative of the results to be expected for the full year.

Reclassifications

Certain reclassifications of amounts previously reported have been made to the accompanying consolidated financial statements to maintain consistency and comparability between periods presented.

These reclassifications had no impact on previously reported net income.