Note 6 - Accounting for Share-based Payment Arrangement Compensation	3 Months Ended
	Mar. 31, 2015
Notes to Financial Statements
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	(6) Accounting for Share-based Payment Arrangement Compensation We account for share-based payment arrangements in accordance with Financial Accounting Standards Board Accounting Standards Codification, or FASB ASC , 718, Compensation – Stock Compensation . During the first three months of 2015, there were no significant changes to the structure of our stock-based award plans. Pre-tax compensation expense related to stock options and performance unit awards recorded in the first three months of 2015 and 2014 was $273,000 and $211,000, respectively . See Note 11 to our consolidated financial statements in our 2014 Annual Report on Form 10-K for a detailed description of stock-based awards under our 2005 Stock Incentive Plan .

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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