ACQUISITIONS - Narrative (Details)	Aug. 15, 2016 shareholder shares	May 17, 2016 USD ($) $ / shares shares	Jun. 30, 2018 shares	Sep. 30, 2017 shares	May 05, 2016 USD ($)
Business Acquisition [Line Items]
Shares issued (in shares)	3,305,000
Related party receivable forgiven | $		$ 607,159
Cancellation of shares (in shares)	1,500,000
Shares issued in exchange (in shares)	0.33
Number of legacy shareholders with canceled shares following Merger | shareholder	1
Reverse stock split	3.25 for 1
Shares outstanding (in shares)	64,679,798		68,908,003	68,908,003
Conversion ratio	3.25
Arna Therapeutics Limited
Business Acquisition [Line Items]
Voting interests acquired (as percent)		65.00%
Share price (in dollars per share) | $ / shares		$ 0.40
Shares issued (in shares)		19,187,500
Shares issuable pursuant to acquisition (in shares)		54,837,790
Consideration transferred | $		$ 7,675,000
Rasna, Inc.
Business Acquisition [Line Items]
Consideration transferred | $		8,282,159
Rasna, Inc. | IPR&D
Business Acquisition [Line Items]
Indefinite-lived intangible asset | $		$ 613,100
Rasna Therapeutics Inc. | Post Merger
Business Acquisition [Line Items]
Shares cancelled as result of split-off (in shares)	1,500,000
Shares outstanding (in shares)	19,901,471
Falconridge Holdings Limited
Business Acquisition [Line Items]
Notes payable | $					$ 236,269