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Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ / shares in Thousands, $ in Thousands | Sep. 30, 2024 | Mar. 31, 2024
--- | --- | ---
Allowance for doubtful accounts receivable | $ 1,026 | $ 1,321
Property, plant, and equipment accumulated depreciation | $ 25,656 | $ 22,519
Common stock, no par value (in dollars per share) | $ 0 | $ 0
Common stock, authorized (in shares) | 25,000,000 | 25,000,000
Common stock, issued (in shares) | 5,419,855 | 5,394,491
Common stock, outstanding (in shares) | 5,419,855 | 5,394,491

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