Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Note 8 - Share-based Compensation and Cash-based Incentive Compensation (Details Textual) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jun. 23, 2020
Mar. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)   10,874,043  
Restricted Stock [Member]      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total   $ 4.0 $ 0.4
Cash-based Awards [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Adjusted EBITDA Less Interest, Minimum     $ 200.0
Directors Compensation Plan [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)   82,620  
Directors Compensation Plan [Member] | Restricted Stock [Member] | Share-based Payment Arrangement, Tranche One [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   33.00%  
Directors Compensation Plan [Member] | Subsequent Event [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares) 500,000    
Directors Compensation Plan [Member] | Subsequent Event [Member] | Restricted Stock [Member] | Non-employee Directors [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 109,376