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Condensed Statements of Cash Flows (Unaudited) - USD ($)
 9 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Operating activities    
Net loss $ (7,305,005) $ (13,073,768)
Adjustments to reconcile net loss to net cash used in operating activities:    
Amortization and depreciation 58,385 33,842
Stock-based compensation 1,451,040 1,503,141
Non-cash interest on convertible notes   5,616,858
Issuance costs attributed to financing activities 3,053 1,829,912
Fair value change of convertible notes (1,974) (1,175,685)
Loss on note extinguishment 2,017,847
Non-cash lease expense 41,056 9,335
Payroll protection program loan forgiveness (83,333)  
Change in assets and liabilities:    
Accounts receivable (40,096)  
Inventory (52,182)  
Prepaid and other assets (45,620) (39,163)
Accounts payable (466,128) (240,991)
Accrued expenses, deferred revenue, operating lease and other liabilities (132,716) (179,298)
Net cash used in operating activities (6,573,520) (3,697,970)
Investing activities    
Purchase of fixed assets (31,970) (66,068)
Net cash used in investing activities (31,970) (66,068)
Financing activities    
Proceeds from issuance of convertible promissory notes   8,357,500
Issuance costs related to convertible notes (3,053) (1,050,900)
Proceeds from issuance of common stock in connection with private placements 8,829,236 255,000
Proceeds from issuance of warrants in connection with private placement 3,670,764  
Exercise of warrants 275,000  
Exercise of stock options 10,146 2,679
Proceeds from paycheck protection program   83,333
Issuance costs related to private placements (1,198,080) (320,366)
Deferred offering costs (24,179)  
Net cash provided by financing activities 11,559,834 7,327,246
Net increase in cash 4,954,344 3,563,208
Cash at beginning of period 4,036,397 260,749
Cash at end of period 8,990,741 3,823,957
Supplemental non-cash financing and investing transactions:    
Conversion of convertible notes into equity 1,005,232 8,088,951
Unpaid issuance costs and non-cash adjustments attributed to convertible notes and private placement $ 50,400 82,338
Broker warrants issued in connection with convertible notes   696,674
Operating lease right of use asset obtained in exchange for operating lease   $ 335,119