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Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Cash flows from operating activities:    
Net loss $ (14,247,124) $ (11,394,170)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 480,187 539,434
Amortization 3,294 21,799
Amortization of right-of-use assets 424,504 327,907
Inventory reserve 5,886 4,100
Loss on fixed asset dispositions 47,538 2,285
Share-based compensation expense 675,700 224,939
Amortization of debt issuance costs and discount 107,963 0
Changes in operating assets and liabilities:    
Accounts receivable (21,436) 6,788
Inventory (236,281) (232,553)
Prepaid and other assets 282,169 295,862
Accounts payable 627,065 65,236
Accrued expenses 987,582 (147,073)
Lease liabilities (440,489) (383,616)
Other liabilities 22,896 (62,911)
Net cash used in operating activities (11,280,546) (10,731,973)
Cash flows from investing activities:    
Purchases of property and equipment (143,917) (407,475)
Net cash used in investing activities (143,917) (407,475)
Cash flows from financing activities:    
Proceeds from the issuance of common stock and warrants in April 2023 Financing 3,899,813 0
Equity issuance costs for April 2023 Financing (547,764) 0
Proceeds from convertible notes, including related parties 6,850,000 0
Issuance costs for convertible notes, including related parties (525,144) 0
Proceeds from exercise of pre-funded warrants 188 0
Proceeds from exercise of common warrants 3,687,976 0
Proceeds from common stock issued through ESPP and exercised options 4,955 19,880
Proceeds from at-the-market sales of common stock 7,665,066 59,583
Issuance costs for at-the-market sales of common stock (229,953) 0
Payments of deferred offering costs 0 (232,845)
Repayment of note payable (610,340) (505,205)
Payments under lease obligations (16,193) (23,058)
Net cash provided by (used in) financing activities 20,178,604 (681,645)
Net change in cash and cash equivalents 8,754,141 (11,821,093)
Cash and cash equivalents:    
Beginning of period 12,961,936 24,783,029
End of period 21,716,077 12,961,936
Cash paid for:    
Interest 9,903 13,464
Income taxes 4,550 5,050
Non-cash investing and financing activities:    
Right-of-use asset obtained in exchange for a lease liability 2,496,968 0
Commissions costs relating to certain proceeds from issuance of common stock 0 1,843
Prepaid insurance financed with promissory notes 0 141,298
Fair value of warrants issued in connection with convertible notes 2,219,165 0
Deferred offering costs reclassified to additional paid-in-capital $ 17,952 $ 95