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Retirement Benefit Plans (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Sep. 30, 2012 | Sep. 30, 2011
Retirement Benefit Plans (Textual) [Abstract] |  |
Employer contributions | $ 1,015 | $ 698
Retirement Benefit Plans (Additional Textual) [Abstract] |  |
Contributions amount in defined benefit pension plans | 1,015 | 698
Amortization period of losses utilized under pension fund | 30 years |
Percentage of non-discretionary regular matching contribution of company | 100.00% |
Percentage of deferral contribution | 1.00% |
Percentage of eligible compensation | 80.00% |
Percentage of eligible compensation of deferral contribution, minimum | 1.00% |
Percentage of eligible compensation of deferral contribution, maximum | 6.00% |
Matching contribution expense for defined contribution plan | 607 | 343
Additional discretionary matching contribution expense | 71 | 185
Foreign Subsidiary One [Member] |  |
Retirement Benefit Plans (Textual) [Abstract] |  |
Company's annual contribution towards eligible employees compensation, percentage | 5.00% |
Total contribution expense towards eligible employees compensation, United Kingdom subsidiary | 21 | 20
Foreign Subsidiary Two [Member] |  |
Retirement Benefit Plans (Textual) [Abstract] |  |
Total contribution expense towards eligible employees compensation, Swedish subsidiary | $ 9 | $ 6

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- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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