| Income Taxes - Additional Information (Detail) - USD ($) | 12 Months Ended | |
|---|---|---|
| Sep. 30, 2015 | Sep. 30, 2014 | |
| Income Taxes [Line Items] | ||
| Deferred Tax Assets, Operating Loss Carryforwards, Domestic | $ 9,509,000 | $ 6,230,000 | 
| Research and experimentation credit carryforwards | 164,252 | 63,368 | 
| Deferred tax assets, operating loss carryforwards, state and local | 8,487,000 | 5,271,000 | 
| Valuation allowance, deferred tax asset, change in amount | 2,130,000 | 2,202,000 | 
| Expire In 2023 | ||
| Income Taxes [Line Items] | ||
| Research and experimentation credit carryforwards | 37,000 | 19,000 | 
| Expire in 2029 | ||
| Income Taxes [Line Items] | ||
| Research and experimentation credit carryforwards | $ 139,744 | $ 44,112 | 
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- References No definition available. 
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss 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 state and local operating loss 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 research tax credit carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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