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Condensed Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Operating activities    
Net loss $ (3,344,900) $ (1,732,769)
Adjustments to reconcile net loss to net cash used in operating activities:    
Amortization and depreciation 58,657 35,889
Stock-based compensation 308,638 300,181
Amortization of discounts and premiums on short-term investments (20,765)
Non-cash lease expense 28,861 26,772
Change in assets and liabilities:    
Accounts receivable (543,399) (62,082)
Inventory 118,029 (199,016)
Prepaid and other assets 3,780 74,948
Accounts payable 79,527 (154,098)
Deferred revenue (1,455,188)
Accrued expenses, operating leases and other liabilities (518,584) (306,125)
Net cash used in operating activities (3,809,391) (3,492,253)
Investing activities    
Purchases of short-term investments (1,473,419)
Maturities of short-term investments 1,500,000
Purchase of property and equipment (37,131) (11,512)
Net cash (used in) provided by investing activities (37,131) 15,069
Financing activities    
Proceeds from issuance of common stock attributed to equity financings 1,256,271
Issuance costs related to equity financings (37,698) (15,713)
Share repurchases for the payment of employee taxes (13,559)
Net cash provided by (used in) financing activities 1,205,014 (15,713)
Net decrease in cash (2,641,508) (3,492,897)
Cash at beginning of period 5,322,493 8,160,329
Cash at end of period 2,680,985 4,667,432
Supplemental non-cash financing and investing transactions:    
Unpaid deferred offering and issuance costs attributed to the at-the-market offering program and public offering 88,074
Modification of right-of-use asset and associated lease liability $ 97,536