BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES (Details)						3 Months Ended						9 Months Ended
	Jul. 01, 2020 USD ($) shares	May 01, 2020 USD ($)	Dec. 17, 2019 USD ($) shares	Nov. 15, 2019 USD ($) $ / shares shares	Oct. 31, 2019 $ / shares	Jun. 30, 2020 USD ($) $ / shares	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) $ / shares	Jun. 30, 2020 USD ($) $ / shares shares	Jun. 30, 2019 USD ($)	Sep. 30, 2019 USD ($) $ / shares
Liquidity And Managements Plan [Line items]
Accumulated deficit						$ 265,712,717						$ 265,712,717		$ 256,805,589
Net loss						(3,290,112)	$ (2,950,905)	$ (2,662,741)	$ (1,477,911)	$ (2,686,757)	$ (3,234,320)
Negative operating cash flow												8,159,954	$ 3,802,025
Cash and cash equivalents						10,924,968						10,924,968		$ 558,988
Working capital						$ 9,707,376						$ 9,707,376
Reverse stock split of its common stock					0.025
Common Stock, Par Or Stated Value Per Share | $ / shares					$ 0.001	$ 0.001						$ 0.001		$ 0.001
PPP Loan
Liquidity And Managements Plan [Line items]
Loan amount received		$ 847,000
Offering
Liquidity And Managements Plan [Line items]
Common stock issued in private placement, net of offering costs (in shares) | shares			2,285,000	2,285,000
Number of common stock called by warrants | shares			2,627,750	2,285,000
Number of common shares that each warrant has right to purchase | shares				1
Exercise price of warrants (in dollars per share) | $ / shares				$ 5.25							$ 5.60
Public offering price for each share together with warrant | $ / shares				$ 5.25
Gross proceeds of offering before underwriter discounts, commissions and other offering expenses			$ 12,000,000	$ 12,000,000
Net proceeds of offering after underwriter discounts, commissions and other offering expenses				$ 10,500,000
Additional number of common stock called by warrants | shares			342,750	342,750
Warrants exercisable expiration period				45 days
Number of warrants exercised | shares												1,475,204
Proceeds from exercise of warrants						$ 852,000						$ 7,200,000
Offering | Subsequent event
Liquidity And Managements Plan [Line items]
Number of warrants exercised | shares	174,582
Proceeds from exercise of warrants	$ 852,000