STOCK OPTIONS AND WARRANTS - Transactions involving stock options issued to employees (Details 1)	12 Months Ended
Sep. 30, 2017 USD ($) $ / shares shares
Weighted Average Exercise Price Per Share
Weighted Average Contractual Life (years), Vested	3 years 8 months 1 day
Employee Stock Option \| Incentive Stock Plan 2005
Number of Shares
Outstanding at October 1, 2016	4,403,234
Granted	1,099,844
Exercised	0
Cancelled or expired	(169,851)
Outstanding at September 30, 2017	5,333,227
Vested at September 30, 2017	3,884,600
Non-vested at September 30, 2017	1,448,627
Weighted Average Exercise Price Per Share
Outstanding at October 1, 2016 \| $ / shares	$ 4.08
Granted \| $ / shares	2.28
Exercised \| $ / shares	0.00
Cancelled or expired \| $ / shares	4.17
Outstanding at September 30, 2017 \| $ / shares	3.71
Vested at September 30, 2017 \| $ / shares	$ 3.91
Aggregate Intrinsic Value, Vested \| $	$ 0
Aggregate Intrinsic Value, Non-vested \| $	$ 14,646
Weighted Average Contractual Life (years), Vested	4 years 1 month 2 days
Weighted Average Contractual Life (years), Non-vested	7 years 4 months 17 days

The grant-date intrinsic value of options nonvested during the reporting period.

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- Definition

Represents weighted average remaining contractual term for nonvested options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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The grant-date intrinsic value of options vested during the reporting period.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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- Definition

Number of non-vested options outstanding.

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- Definition

Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Number of options vested.

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- Definition

Number of share options (or share units) exercised during the current period.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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