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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (3,638,752) $ (5,475,769)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 340,232 194,302
Stock-based compensation 60,712 266,741
Change in fair value - derivative liability (9,000)
Change in fair value - warrant liability (1,072,800)
Amortization of right-of-use asset 47,638 40,242
Bad debt expense 68,297 292,010
Unrealized (gain) loss on marketable securities 35,019 (51,280)
Realized gain on marketable securities (377,123) (65,000)
Impairment of inventory 766,248
Change in operating assets and liabilities:    
Accounts receivable 12,879 110,320
Inventory (1,010,767) (551,281)
Prepaid expenses and other assets 477,592 (672,823)
Deposits and other assets 6,267
Accounts payable (137,183) (375,832)
Accrued expenses and other current liabilities (204,153) (195,761)
Lease obligations - operating leases (47,150) (52,023)
Net cash used in operating activities (4,682,044) (6,536,154)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchase of property and equipment (771,226)
Change in marketable securities (23,298,533) 209,856
Purchase of intangible assets (8,203)
Net cash used in investing activities (23,298,533) (569,573)
Net change in cash, cash equivalents and restricted cash (27,980,577) (7,105,727)
Cash, cash equivalents and restricted cash, beginning of the period 43,440,867 39,096,562
Cash, cash equivalents and restricted cash, end of the period 15,460,290 31,990,835
Supplemental disclosure of cash and non-cash transactions:    
Fixed asset additions included in accounts payable and accrued expenses 57,086 137,481
Accrual of Series H-7 Convertible Preferred Stock Dividends 452,086
Accretion of discounts to redemption value of H-7 convertible preferred stock 3,095,473
Supplemental disclosure of restricted cash:    
Cash and cash equivalents 5,460,290 31,990,835
Restricted cash 10,000,000
Total cash, cash equivalents and restricted cash $ 15,460,290 $ 31,990,835

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