Note 10 - Accounting for Share-based Payment Arrangement Compensation	9 Months Ended
Sep. 30, 2019
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	(10) Accounting for Share-based Payment Arrangement Compensation We account for share-based payment arrangements in accordance with FASB ASC 718, Compensation – Stock Compensation. During the first nine months of 2019, 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 nine months of 2019 and 2018 was $1.4 million and $2.1 million, respectively.

Note 10 - Accounting for Share-based Payment Arrangement Compensation

9 Months Ended

Sep. 30, 2019

Share-based Payment Arrangement [Text Block]

(10) Accounting for Share-based Payment Arrangement Compensation

We account for share-based payment arrangements in accordance with FASB ASC 718, Compensation – Stock Compensation. During the first nine months of 2019, 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 nine months of 2019 and 2018 was $1.4 million and $2.1 million, respectively.