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Income Taxes - Additional Information (Detail) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2016 | Sep. 30, 2016 | Sep. 30, 2015
Income Tax Disclosure [Abstract] |  |  |
Increase in net valuation allowance |  | $ 26,000 | $ 3,000,000
Net operating loss carryforward | $ 3,900,000 |  |
Unrecognized income tax benefits |  | $ 0 |
Federal |  |  |
Income Tax Disclosure [Abstract] |  |  |
Number of years for examination |  | Four |
New York |  |  |
Income Tax Disclosure [Abstract] |  |  |
Number of years for examination |  | Four |
Connecticut |  |  |
Income Tax Disclosure [Abstract] |  |  |
Number of years for examination |  | Four |
Pennsylvania |  |  |
Income Tax Disclosure [Abstract] |  |  |
Number of years for examination |  | Four |
New Jersey |  |  |
Income Tax Disclosure [Abstract] |  |  |
Number of years for examination |  | Five |
Minimum |  |  |
Income Tax Disclosure [Abstract] |  |  |
Annual limitation of federal NOLs | $ 1,000,000 |  |
Expiration date of net operating loss carryforward | Dec. 31, 2018 |  |
Maximum |  |  |
Income Tax Disclosure [Abstract] |  |  |
Annual limitation of federal NOLs | $ 2,200,000 |  |
Expiration date of net operating loss carryforward | Dec. 31, 2024 |  |

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32559-109319 + Details
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