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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (14,414,893) $ (10,470,461)
Accounts receivable, net (248,769) 120,298
Inventory, net 44,736 (43,700)
Prepaid clinical expenses (841,350) (1,335,151)
Prepaid insurance and services (49,187) (73,643)
Other 1,883 0
Accounts payable and accrued expenses 3,123,835 (810,194)
Total adjustments 2,524,749 (1,897,000)
NET CASH USED IN OPERATING ACTIVITIES (11,890,144) (12,367,461)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 14,457 14,611
Gain on forgiveness of PPP loan 0 (158,524)
Provision for doubtful accounts 0 (21,755)
Stock-based compensation 259,430 282,296
Stock compensation to employees 0 15,750
Stock compensation to nonemployees 219,714 113,012
CASH FLOWS FROM INVESTING ACTIVITIES    
Purchases of equipment 0 (15,086)
Collections from mortgage note receivable 0 53,256
NET CASH PROVIDED BY INVESTING ACTIVITIES 0 38,170
CASH FLOWS FROM FINANCING ACTIVITIES    
Net proceeds from sale of warrants 2,917,581 0
Net proceeds from sale of stock 9,229,308 0
Exercise of stock options 1,478 0
Exercise of warrants 168 0
NET CASH PROVIDED BY FINANCING ACTIVITIES 12,148,535 6,778
NET DECREASE IN CASH AND CASH EQUIVALENTS 258,391 (12,322,513)
CASH AND CASH EQUIVALENTS, beginning of period 1,543,418 16,612,711
CASH AND CASH EQUIVALENTS, end of period 1,801,809 4,290,198
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Cash paid for interest 9,807 0
Paycheck Protection Program CARES Act [Member]    
Adjustments to reconcile net loss to net cash used in operating activities:    
Gain on forgiveness of PPP loan 0 (158,524)
CASH FLOWS FROM FINANCING ACTIVITIES    
Payments on PPP loan 0 (8,159)
Refund of PPP loan payments $ 0 $ 14,937