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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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STOCKHOLDERS' EQUITY |  |
Accounts receivable, allowance for credit losses | $ 493,705 | $ 567,015
Common stock, par value | $ 2.5 | $ 2.5
Common stock, shares issued | 5,299,370 | 5,190,072
Common stock, shares, Outstanding | 3,754,498 | 3,645,200
Treasury stock, shares | 1,544,872 | 1,544,872

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