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Note 7 - Accounting for Share-based Payment Arrangement Compensation	6 Months Ended
Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	(7) 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 six months of 2013, 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 six months of 2013 and 2012 was $651,000 and $791,000, respectively. See Note 9 to our consolidated financial statements in our 2012 Annual Report on Form 10-K for a detailed description of stock-based awards under our 2005 Stock Incentive Plan and 1995 Stock Incentive Plan.

Note 7 - Accounting for Share-based Payment Arrangement Compensation

6 Months Ended

Jun. 30, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

(7) 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 six months of 2013, 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 six months of 2013 and 2012 was $651,000 and $791,000, respectively. See Note 9 to our consolidated financial statements in our 2012 Annual Report on Form 10-K for a detailed description of stock-based awards under our 2005 Stock Incentive Plan and 1995 Stock Incentive Plan.

- Definition

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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