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FAIR VALUE - Activity of Level 3 inputs measured on a recurring basis (Details) - Common Stock Warrants - USD ($) | 12 Months Ended
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Sep. 30, 2015 | Sep. 30, 2014
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Balance at October 1, |  | $ 1,096,412 | $ 2,643,449
Adjustment resulting from change in value recognized in earnings (a) | [1] | 2,994,540 | $ 908,005
Reclassification of warrant upon repurchase |  | $ (4,090,952) |
Reclassification to equity upon exercise |  |  | $ (2,455,042)
Balance at September 30, |  |  | $ 1,096,412
[1] | Adjustment resulting from change in fair value is the amount of total gains or losses for the period attributable to the change in unrealized gains or losses relating to liabilities held at the reporting date and realized gains or losses at the date of exercise. The gain or loss is recorded in change in fair value of warrant liability in the accompanying consolidated statements of operations.

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- Definition Represents amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. + References No definition available. + Details
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- Definition Represents the amount of reclassification to equity upon exercise of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized on the income statement for financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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