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Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) shares in Thousands, $ in Thousands	Oct. 31, 2023	Jan. 31, 2023
Allowance for doubtful accounts	$ 574	$ 612
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	50,000	50,000
Common stock, issued (in shares)	7,951	8,004
Common stock, outstanding (in shares)	7,951	8,004
Treasury stock (in shares)	109	3

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

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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