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Description of the business - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Jul. 31, 2014 | Apr. 30, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Oct. 31, 2012
Cash and cash equivalents | $ 9,436 | $ 9,914 | $ 8,019 | $ 5,927 | $ 7,103
Additional paid-in capital | 65,584 | 59,968 | 59,376 |  |
Noncontrolling interest, FreshRealm |  | (309) |  |  |
Proceeds from issuance of FreshRealm stock | 10,000 |  |  |  |
Overstated [Member] |  |  |  |  |
Cash and cash equivalents |  | 10,000 |  |  |
Additional paid-in capital |  | 5,400 |  |  |
Noncontrolling interest, FreshRealm |  | 4,600 |  |  |
Proceeds from issuance of FreshRealm stock | $ 10,000 |  |  |  |
Error correction description | Our management evaluated the materiality of these errors both qualitatively and quantitatively in accordance with Staff Accounting Bulletin No. 99, Materiality, and determined that these errors were not material to our previously reported quarterly financial statements as of and for the three and six months ended April 30, 2014. The aforementioned errors have no impact on this Quarterly Report on Form 10-Q, nor any future periodic filings, except that the Consolidated Condensed Statement of Cash Flows for the six months ended April 30, 2014 will be corrected to properly reflect this immaterial error in our Form 10-Q for the quarter ended April 30, 2015. |  |  |  |

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- Definition Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.30(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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