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Description of the business - Schedule of Correction of Immaterial Errors Within Previously Issued Consolidated Condensed Financial Statements (Detail) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2014 | Jul. 31, 2014 | Jul. 31, 2013 | Oct. 31, 2013 | Oct. 31, 2012
Cash and cash equivalents | $ 9,914 | $ 9,436 | $ 5,927 | $ 8,019 | $ 7,103
Total assets | 249,107 | 264,512 |  | 239,939 |
Additional paid-in capital | 59,968 | 65,584 |  | 59,376 |
Noncontrolling interest,FreshRealm | (309) |  |  |  |
Shareholders' equity | 135,602 | 156,859 |  | 128,452 |
Net cash provided by operating activities | 13,263 | 27,485 | 15,624 |  |
Net cash used in investing activities | (5,589) | (15,753) | (4,943) |  |
Proceeds from issuance of FreshRealm stock |  | 10,000 |  |  |
Proceeds from financing activities | (5,779) | (10,315) | (11,857) |  |
Cash and cash equivalents, end of period | 9,914 | 9,436 | 5,927 | 8,019 | 7,103
As previously reported [Member] |  |  |  |  |
Cash and cash equivalents | 19,914 |  |  |  |
Total assets | 259,107 |  |  |  |
Additional paid-in capital | 65,358 |  |  |  |
Noncontrolling interest,FreshRealm | 4,301 |  |  |  |
Shareholders' equity | 145,602 |  |  |  |
Net cash provided by operating activities | 13,263 |  |  |  |
Net cash used in investing activities | (5,589) |  |  |  |
Proceeds from issuance of FreshRealm stock | 10,000 |  |  |  |
Proceeds from financing activities | 4,221 |  |  |  |
Cash and cash equivalents, end of period | $ 19,914 |  |  |  |

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