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Condensed Statements of Cash Flows - USD ($)
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Cash flows from operating activities:    
Net loss $ (16,280,706) $ (9,179,004)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation 285,509 474,097
Depreciation 15,547 20,606
Non-cash changes in fair value of debt, (gain) loss 2,211,685 962,400
Loss on extinguishment of debt 8,191,494  
Debt issuance costs recognized as expense 169,225 1,168,065
Amortization of debt issuance costs 408,000  
Changes in operating assets and liabilities    
Collaboration receivable   5,000,000
Inventory (412,038)  
Prepaid expenses (41,485) (430,787)
Other current and non-current assets 14,673 8,455,326
Accounts payable (2,210,964) 613,919
Accrued expenses 492,176 3,707,133
Deferred collaboration funding (1,861,006) (5,371,546)
Other current liabilities   (8,433,464)
Net cash used in operating activities (9,017,890) (3,013,255)
Cash flows from investing activities:    
Purchase of property and equipment (3,066) (28,930)
Net cash used in investing activities (3,066) (28,930)
Cash flows from financing activities:    
Proceeds from issuance of common stock and warrants, net of issuance costs 6,170,370  
Proceeds from Original Term Loan, net of warrant allocation and lender fees   6,013,148
Proceeds from Marathon Convertible Notes, net of lender fees   5,516,556
Proceeds from SWK Second Term Loan, net of warrant allocation and lender fees 6,527,500  
Payment of debt and convertible debt issuance costs (98,655) (724,928)
Net cash provided by financing activities 13,071,715 11,131,807
Net increase in cash and cash equivalents 4,050,759 8,089,622
Cash and cash equivalents, beginning of period 2,329,218 12,710,762
Cash and cash equivalents, end of period 6,379,977 20,800,384
Supplemental cash flow information:    
Cash paid for interest 322,306  
First SWK Warrant    
Cash flows from financing activities:    
Proceeds allocated to Warrant based on valuation   $ 327,031
Third SWK Warrant    
Cash flows from financing activities:    
Proceeds allocated to Warrant based on valuation $ 472,500