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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2019	Oct. 31, 2018
CONSOLIDATED BALANCE SHEETS
Trade accounts receivable, allowance for doubtful accounts	$ 23	$ 88
Common stock, authorized	20,000,000	20,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares issued	9,462,267	9,291,201
Common stock, shares outstanding	9,462,267	9,291,201

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4)
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- 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.

+ References

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X

- 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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