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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jan. 31, 2020	Jan. 31, 2019
Statement of Financial Position [Abstract]
Accounts Receivable, Reserves	$ 856	$ 521
Preferred Stock, Par Value	$ 10	$ 10
Preferred Stock, Shares Authorized	100,000	100,000
Preferred Stock, Shares Issued	0	0
Common Stock, Par Value	$ 0.05	$ 0.05
Common Stock, Shares Authorized	13,000,000	13,000,000
Common Stock, Shares Issued	10,343,610	10,218,559
Treasury Stock, Shares	3,281,701	3,261,672

X

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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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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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