BASIS OF PRESENTATION AND SUMMARY OF ACCOUNTING POLICIES - Additional information (Details)						3 Months Ended						9 Months Ended
	Jan. 13, 2021 USD ($) $ / shares shares	Dec. 10, 2020 USD ($)	Oct. 07, 2020 USD ($)	Sep. 30, 2020 USD ($) customer $ / shares	May 01, 2020 USD ($)	Jun. 30, 2021 USD ($) customer $ / shares	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($) customer	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2021 USD ($) customer $ / shares shares	Jun. 30, 2020 USD ($) customer
Concentration Risk [Line Items]
Retained Earnings (Accumulated Deficit)				$ (269,835,650)		$ (279,610,999)						$ (279,610,999)
Net loss						(3,446,715)	$ (1,517,078)	$ (4,807,062)	$ (3,290,112)	$ (2,950,905)	$ (2,662,741)	(9,770,855)	$ (8,903,758)
Negative operating cash flow												8,675,878	8,159,954
Cash and cash equivalents				$ 7,786,743		12,173,443						12,173,443
Working Capital Surplus Deficit						$ 12,121,760						$ 12,121,760
Common Stock, Par Or Stated Value Per Share | $ / shares				$ 0.001		$ 0.001						$ 0.001
Research and development						$ 1,029,627			$ 814,599			$ 2,652,047	2,082,043
Allowance on accounts receivable (in dollars)				$ 11,968		7,438						7,438
Depreciation method								straight-line method
Property, Plant and Equipment, Net				1,277,655		2,576,616						2,576,616
Net proceeds from exercise of warrants		$ 1,100,000										2,613,929	$ 7,203,401
Excess of FDIC insurance limit				7,300,000		$ 11,484,000						$ 11,484,000
PPP Loan
Concentration Risk [Line Items]
Proceeds from Issuance of Debt					$ 847,000
Public Offering
Concentration Risk [Line Items]
Number of common stock issued | shares	1,810,000
Public offering price for each share together with warrant | $ / shares	$ 8.30
Number of warrants exercised | shares												520,151
Net proceeds from exercise of warrants			$ 1,669,500									$ 2,600,000
Net proceeds of offering after underwriter discounts, commissions and other offering expenses	$ 13,800,000
Computer equipment
Concentration Risk [Line Items]
Estimated useful life for computer equipment, lab equipment and furniture						P3Y
Construction in progress				$ 785,541		$ 177,533						177,533
Lab equipment
Concentration Risk [Line Items]
Estimated useful life for computer equipment, lab equipment and furniture						P3Y
Property, Plant and Equipment, Net						$ 240,264						240,264
Furniture
Concentration Risk [Line Items]
Estimated useful life for computer equipment, lab equipment and furniture						P3Y
Leasehold improvements
Concentration Risk [Line Items]
Lease revenue						$ 43,960						$ 150,048
Total Revenue
Concentration Risk [Line Items]
Number of customers | customer									3			2	5
Accounts Receivable | Two customer
Concentration Risk [Line Items]
Number of customers | customer						2
Accounts Receivable | Four customer
Concentration Risk [Line Items]
Number of customers | customer				4
Customer Concentration Risk | Total Revenue | One customer
Concentration Risk [Line Items]
Concentration risk percentage									10.00%			28.00%	10.00%
Customer Concentration Risk | Total Revenue | Two customer
Concentration Risk [Line Items]
Concentration risk percentage						30.00%			17.00%			12.00%	11.00%
Customer Concentration Risk | Total Revenue | Three customers
Concentration Risk [Line Items]
Concentration risk percentage									42.00%		13.00%
Customer Concentration Risk | Total Revenue | Four customer
Concentration Risk [Line Items]
Concentration risk percentage													13.00%
Customer Concentration Risk | Total Revenue | Five customers
Concentration Risk [Line Items]
Concentration risk percentage													15.00%
Customer Concentration Risk | Accounts Receivable | Two customer
Concentration Risk [Line Items]
Concentration risk percentage						47.00%
Customer Concentration Risk | Accounts Receivable | Four customer
Concentration Risk [Line Items]
Concentration risk percentage				74.00%