WARRANTS, STOCK OPTIONS AND RESTRICTED STOCK UNITS - Transactions involving stock options issued (Details) - Stock options - Incentive Stock Plan 2005	12 Months Ended
Sep. 30, 2023 USD ($) $ / shares shares
Number of Shares
Outstanding at October 1, 2022	1,063,055
Granted	1,224,421
Exercised	0
Forfeited, cancelled or expired	(83,239)
Outstanding at September 30, 2023	2,204,237
Vested at September 30, 2023	1,060,931
Non-vested at September 30, 2023	1,143,306
Weighted Average Exercise Price Per Share
Outstanding at October 1, 2022 \| $ / shares	$ 20.49
Granted \| $ / shares	1.29
Forfeited, cancelled or expired \| $ / shares	25.78
Outstanding at September 30, 2023 \| $ / shares	9.95
Vested at September 30, 2023 \| $ / shares	19.26
Non-vested at September 30, 2023 \| $ / shares	$ 1.31
Aggregate Intrinsic Value, Vested \| $	$ 0
Aggregate Intrinsic Value, Non-vested \| $	$ 0
Weighted Average Contractual Life (years), Vested	7 years 3 months 14 days
Weighted Average Contractual Life (years), Non -vested	9 years 4 months 13 days

Represent outstanding non vested value for current year.

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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

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

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

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Represents weighted average remaining contractual term for vested 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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- 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.

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

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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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.

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- Definition

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/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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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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- Definition

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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Number of options vested.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(02)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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