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Income Taxes - Additional Information (Detail) - USD ($) | Sep. 30, 2015 | Sep. 30, 2014
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Income Tax Disclosure [Abstract] |  |
Valuation allowance against deferred tax assets | 100.00% |
Deferred tax assets | $ 105,452,593 | $ 62,227,372
Gross federal net operating loss carry forwards | 70,500,000 | 115,800,000
Gross state net operating loss carry forwards | $ 124,100,000 | $ 170,800,000

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- Definition State net operating loss carry forwards. + References No definition available. + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Deferred Tax Asset -URI http://asc.fasb.org/extlink&oid=6510090 + Details
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