Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Share-based Compensation and Cash-based Incentive Compensation (Details Textual)

v3.20.2
Note 8 - Share-based Compensation and Cash-based Incentive Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) 10,874,043   10,874,043    
Share-based Payment Arrangement, Expense $ 1,019 $ 1,259 $ 2,067 $ 1,181  
Restricted Stock Units (RSUs) [Member]          
Share-based Payment Arrangement, Expense [1] 949 1,189 1,927 1,041  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total 3,000   3,000    
Restricted Stock [Member]          
Share-based Payment Arrangement, Expense 70 $ 70 140 $ 140  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 200   $ 200    
Cash-based Awards [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Adjusted EBITDA Less Interest, Minimum         $ 200,000
Directors Compensation Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares) 582,620   582,620    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares) 500,000        
Amended and Restated Incentive Plan [Member]          
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in shares)     0    
Share-based Payment Arrangement, Expense     $ 0    
Cash-Based Awards, Granted in Period (in shares)     0    
Cash-based Incentive Compensation     $ 0    
[1] For the six months ended June 30, 2019, share-based compensation expense includes adjustments for a former executive's forfeitures.