Income Taxes - Schedule of Deferred Income Taxes (Detail) - USD ($) $ in Thousands |
Sep. 30, 2017 |
Sep. 30, 2016 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Depreciable assets | $ (3,335) | $ (2,257) |
| Accruals and reserves | 1,123 | 1,153 |
| Stock-based compensation | 3,370 | 3,113 |
| Impaired strategic investments | 2,701 | 2,701 |
| NOL carryforwards | 3,627 | 3,324 |
| U.S. Federal and state R&D credits | 242 | 110 |
| Other | 810 | 730 |
| Valuation allowance | (4,511) | (3,847) |
| Total deferred tax assets | $ 4,027 | $ 5,027 |
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- Definition Deferred tax assets impaired investment. No definition available.
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- Definition Deferred tax assets (liabilities) property plant and equipment. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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