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Segment Information (Detail) - Long-lived assets by geographic location (USD $) In Thousands, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2013
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Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 2,018 us-gaap_NoncurrentAssets | $ 1,830 us-gaap_NoncurrentAssets
North America |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | 1,429 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember | 1,287 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_NorthAmericaMember
Europe |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 589 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | $ 543 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_StatementGeographicalAxis=us-gaap_NorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |