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Condensed Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Operating activities    
Net loss $ (2,243,070) $ (2,173,665)
Adjustments to reconcile net loss to net cash used in operating activities:    
Non-cash lease expense 37,676  
Stock-based compensation expense 284,572 381,061
Change in operating assets and liabilities:    
Accounts receivable, net (62,470) (123,717)
Prepaid expenses, inventory and other assets 206,079 227,100
Accounts payable and other current liabilities 251,613 58,022
Accrued compensation (190,907) (107,119)
Accrued interest expense 123,288 123,288
Operating lease liabilities (37,676)  
Net cash used in operating activities (1,630,895) (1,615,030)
Financing activities    
Proceeds from issuance of common stock from ATM   175,069
Payment of common stock offering costs from ATM   (3,548)
Net cash provided by financing activities   171,521
Net decrease in cash and cash equivalents (1,630,895) (1,443,509)
Cash and cash equivalents at beginning of period 9,843,699 9,144,710
Cash and cash equivalents at end of period $ 8,212,804 $ 7,701,201