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Earnings Per Share [Text Block]
12 Months Ended
Dec. 31, 2019
Notes  
Earnings Per Share Note 2.Income Per Common Share    Included in the diluted earnings per share calculation for the years ended December 31, 2019 and 2018 are 73,000 and 292,000 of incremental common shares, respectively, primarily from the dilutive effect of share-based payment awards.