Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Share-based Compensation and Cash-based Incentive Compensation - Schedule of Outstanding Restricted Shares Issued to Non-employee Directors (Details)

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Note 8 - Share-based Compensation and Cash-based Incentive Compensation - Schedule of Outstanding Restricted Shares Issued to Non-employee Directors (Details) - Restricted Stock [Member] - shares
Jun. 30, 2020
Dec. 31, 2019
Awards expected to vest by period (in shares) 44,752 123,180
Vesting in 2021 [Member]    
Awards expected to vest by period (in shares) 29,300  
Vesting in 2022 [Member]    
Awards expected to vest by period (in shares) 15,452