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Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
CURRENT ASSETS:
Allowance for doubtful accounts	$ 49	$ 31
STOCKHOLDERS' EQUITY:
Common stock, par value (in dollars per share)	$ 0.0024	$ 0.0024
Common stock, shares authorized (in shares)	25,000,000	25,000,000
Common stock, shares issued (in shares)	9,920,957	9,823,621
Common stock, shares outstanding (in shares)	8,496,581	8,399,245
Treasury stock, shares (in shares)	1,424,376	1,424,376

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Face amount or stated value per share of common stock.

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