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SUMMARY OF ACCOUNTING POLICIES - Additional Information (Details)		12 Months Ended
	Oct. 31, 2019 $ / shares	Sep. 30, 2019 USD ($) customer $ / shares	Sep. 30, 2018 USD ($) customer $ / shares	Nov. 15, 2019 $ / shares	Nov. 01, 2019 $ / shares
Concentration Risk [Line Items]
Research and development		$ 2,967,278	$ 2,751,578
Advertising expense		133,000	287,156
Cumulative adjustment to opening retained earnings in fiscal 2019		493,000
Allowance on accounts receivable		$ 4,500	13,133
Depreciation method		Straight line method
Depreciation expenses		$ 260,992	$ 369,924
Revenue recognized in contract liabilities		$ 1,224,331
Common stock, par value \| $ / shares		$ 0.001	$ 0.001
Transfers from Level 1 to Level 2, Assets		$ 0
Transfers from Level 2 to Level 1, Assets		0
Transfers from Level 1 to Level 2, Liabilities		0
Transfers from Level 2 to Level 1, Liabilities		0
Transfers Into Level 3, Assets		0
Transfers out of Level 3, Assets		0
Transfers Into Level 3, Liabilities		0
Transfers out of Level 3, Liabilities		$ 0
ASU 2017-11
Concentration Risk [Line Items]
Effect of adoption in basic and diluted earnings per share \| $ / shares		$ 0.34
Subsequent Event
Concentration Risk [Line Items]
Reverse stock split of its common stock	0.025
Common stock, par value \| $ / shares	$ 0.001			$ 0.001	$ 0.001
Computer equipment
Concentration Risk [Line Items]
Estimated useful life for computer equipment, lab equipment and furniture			3 years
Lab equipment
Concentration Risk [Line Items]
Estimated useful life for computer equipment, lab equipment and furniture		3 years
Furniture
Concentration Risk [Line Items]
Estimated useful life for computer equipment, lab equipment and furniture		3 years
Leasehold improvements
Concentration Risk [Line Items]
Estimated useful life for computer equipment, lab equipment and furniture		amortized over the shorter of their useful life or the remaining lease terms
Accounts Receivable \| One customer
Concentration Risk [Line Items]
Concentration risk percentage		77.00%	80.00%
Number of customers \| customer		1	1
Customer Concentration Risk \| Total Revenue
Concentration Risk [Line Items]
Number of customers \| customer		3	4
Customer Concentration Risk \| Total Revenue \| One customer
Concentration Risk [Line Items]
Concentration risk percentage		27.00%	24.00%
Customer Concentration Risk \| Total Revenue \| Two customer
Concentration Risk [Line Items]
Concentration risk percentage		26.00%	16.00%
Customer Concentration Risk \| Total Revenue \| Three customers
Concentration Risk [Line Items]
Concentration risk percentage		15.00%	14.00%
Customer Concentration Risk \| Total Revenue \| Four customer
Concentration Risk [Line Items]
Concentration risk percentage			11.00%
Customer Concentration Risk \| Accounts Receivable \| One customer
Concentration Risk [Line Items]
Concentration risk percentage		15.00%