v3.25.1
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities:    
Net loss $ (51,409,000) $ (18,721,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation 2,976,000 2,058,000
Depreciation and amortization 70,000 98,000
Amortization of debt discounts 1,260,000 850,000
Change in fair value of warrant liability 29,120,000 (4,510,000)
Loss on debt extinguishment   837,000
Changes in operating assets and liabilities:    
Accounts receivable (55,000) (21,000)
Inventories 1,119,000 4,333,000
Prepaid expenses and other current assets (349,000) 152,000
Other assets 93,000 87,000
Accounts payable (228,000) 278,000
Accrued liabilities (41,000) (207,000)
Other liabilities (82,000) (60,000)
Net cash used in operating activities (17,526,000) (14,826,000)
Cash flows from investing activities:    
Issuance of note receivable (423,000)  
Deposit for business combination (1,000,000)  
Purchases of property and equipment (35,000) (50,000)
Purchases of intangible assets (99,000)  
Net cash used in investing activities (1,557,000) (50,000)
Cash flows from financing activities:    
Proceeds from issuance of common stock in connection with warrant exercise, net of offering costs 8,063,000 12,533,000
Proceeds from issuance of common stock and warrants, net of offering costs 19,558,000  
Proceeds from issuance of short-term loan, net of issuance costs 600,000 597,000
Proceeds from issuance of Series B preferred stock, net of issuance costs   3,955,000
Proceeds from exercise of warrants 714,000  
Repurchase of common stock warrants   (2,323,000)
Repurchase of Series B preferred stock (6,266,000)  
Repayment of finance lease   (15,000)
Repayment of convertible note payable   (1,657,000)
Repayment of short-term loan (667,000) (700,000)
Net cash provided by financing activities 22,002,000 12,390,000
Net decrease in cash and cash equivalents 2,919,000 (2,486,000)
Cash and cash equivalents as of beginning of period 411,000 2,897,000
Cash and cash equivalents as of end of period 3,330,000 411,000
Supplemental disclosure of cash flow information:    
Cash paid for interest 274,000 256,000
Cash paid for income taxes 4,000 4,000
Noncash Investing and Financing Activities:    
Reclassification of liability warrants to equity warrants 41,851,000  
Issuance of warrant liability in connection with financing 8,701,000  
Deemed dividend on conversion of Series B preferred stock and repurchase of Series B preferred stock 5,842,000  
Derecognition of Series B preferred stock liability warrants 824,000  
Issuance of stock-based compensation to vendors 600,000  
Warrant exercise in connection with loan settlement 333,000  
Issuance of common stock in connection with Series B preferred stock 325,000  
Unpaid financings issuance costs 269,000  
Issuance of common stock and convertible note payable in connection with the acquisition of intangible assets 92,000,000  
Unpaid intangible assets acquisition costs 476,000  
Cashless exercise of warrants 587,000 8,191,000
Reclassification of equity warrants to liability warrants 645,000  
Cumulative effect of adoption of ASU 2020-06 $ 116,000  
Issuance of common stock in connection with conversion of Series B preferred stock   6,341,000
Deemed dividend from accretion, amortization, and conversion of Series B preferred stock discounts   (6,360,000)
Issuance of warrants in connection with February 2023 offering   5,601,000
Issuance of common stock in connection with convertible promissory note   708,000
Record Right-of-Use Assets obtained in exchange for modified operating lease liabilities   554,000
Deferred offering costs reclassed from prepaid expenses   97,000
Accrual of legal fees for the short-term loan   $ 10,000

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