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v3.23.3

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts receivable, allowance for doubtful accounts | $ 1,233 | $ 1,552
Preferred stock, no par value (in dollars per share) | $ 0 | $ 0
Preferred stock, shares authorized (in shares) | 1,000,000 | 1,000,000
Preferred stock, shares issued (in shares) | 0 | 0
Common Class A [Member] |  |
Common stock, par value (in dollars per share) | $ 0.1 | $ 0.1
Common stock, shares authorized (in shares) | 10,000,000 | 10,000,000
Common stock, shares outstanding (in shares) | 2,141,589 | 2,141,589
Common stock, treasury shares (in shares) | 3,323 | 3,323
Common Class A [Member] | Restricted Stock [Member] |  |
Common stock, treasury shares (in shares) | 1,072,769 | 1,072,769
Common Class B [Member] |  |
Common stock, par value (in dollars per share) | $ 0.1 | $ 0.1
Common stock, shares authorized (in shares) | 30,000,000 | 30,000,000
Common stock, shares outstanding (in shares) | 10,630,760 | 10,642,760
Common stock, treasury shares (in shares) | 17,342 | 17,342
Common Class B [Member] | Restricted Stock [Member] |  |
Common stock, treasury shares (in shares) | 3,218,307 | 3,218,307

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