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v3.25.3

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Allowance for doubtful accounts | $ 380,000 | $ 265,000
Asser retirement obligations, non-related party | $ 250,000 | $ 250,000
Common stock, no par value (in dollars per share) | $ 0 | $ 0
Common stock, shares authorized (in shares) | 10,000,000 | 10,000,000
Common stock, shares issued (in shares) | 6,510,000 | 6,420,000
Common stock, shares outstanding (in shares) | 6,510,000 | 6,420,000

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