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(6) Earnings Per Share (Details Narrative) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share, Basic and Diluted [Abstract]        
Antidilutive shares 5,600 14,200 5,800 13,500