Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Share-based Compensation and Cash-based Incentive Compensation - Summary of Incentive Compensation Expense Under Share-based Payment Arrangements (Details)

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Note 8 - Share-based Compensation and Cash-based Incentive Compensation - Summary of Incentive Compensation Expense Under Share-based Payment Arrangements (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based compensation expense $ 1,019 $ 1,259 $ 2,067 $ 1,181
Restricted Stock Units (RSUs) [Member]        
Share-based compensation expense [1] 949 1,189 1,927 1,041
Restricted Stock [Member]        
Share-based compensation expense $ 70 $ 70 $ 140 $ 140
[1] For the six months ended June 30, 2019, share-based compensation expense includes adjustments for a former executive's forfeitures.