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v3.22.2.2

Condensed Consolidated Balance Sheets (Current period Unaudited) (Parentheticals) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts receivable, allowance for doubtful accounts | $ 81 | $ 266
Accumulated depreciation | $ 48,356 | $ 52,512
Preferred stock, par value (in dollars per share) | $ 1 | $ 1
Preferred stock, shares authorized (in shares) | 1,000,000 | 1,000,000
Common stock, par value (in dollars per share) | $ 1 | $ 1
Common stock, shares authorized (in shares) | 25,000,000 | 25,000,000
Common stock, shares issued (in shares) | 12,121,484 | 12,121,484
Common stock, shares outstanding (in shares) | 7,218,033 | 6,976,144
Treasury stock, shares (in shares) | 4,903,451 | 5,145,340
Series A Preferred Stock [Member] |  |
Preferred stock, shares issued (in shares) | 9,926 | 9,926
Preferred stock, shares outstanding (in shares) | 9,926 | 9,926

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