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Balance Sheet parenthetical (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Apr. 30, 2015	Jan. 31, 2015
Allowance for doubtful accounts receivable	$ 225us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent	$ 110us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Common stock, par value per share	$ 0.01us-gaap_CommonStockParOrStatedValuePerShare	$ 0.01us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized	50,000us-gaap_CommonStockSharesAuthorized	50,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	7,246us-gaap_CommonStockSharesIssued	7,291us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	7,246us-gaap_CommonStockSharesOutstanding	7,291us-gaap_CommonStockSharesOutstanding
Treasury Stock, Number of Shares Held	45us-gaap_TreasuryStockNumberOfSharesHeld	0us-gaap_TreasuryStockNumberOfSharesHeld

X

- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

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X

- Definition

Face amount or stated value per share of common stock.

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X

- Definition

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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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- Definition

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.

+ References

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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- Definition

Number of shares held for each class of treasury stock.

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