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Note 19 - Share Repurchase (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 11, 2020
Stock Repurchase Program, Authorized Amount   $ 2,000,000
Stock Repurchased and Retired During Period, Shares (in shares) 82,784  
Stock Repurchased and Retired During Period, Weighted Average Price Per Share (in dollars per share) $ 14.70  
Stock Repurchased and Retired During Period, Value $ 1,217,000