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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Allowance for credit losses $ 106 $ 111
Accumulated depreciation 18,823 18,703
Accumulated amortization $ 499 $ 468
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, shares authorized (in shares) 40,000,000 40,000,000
Common stock, shares issued (in shares) 31,767,329 31,361,303
Common stock, shares outstanding (in shares) 30,708,273 30,385,297