Quarterly report [Sections 13 or 15(d)]

Condensed Consolidated Statements of Cash Flow (Unaudited)

v3.25.2
Condensed Consolidated Statements of Cash Flow (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Cash flows from operating activities:    
Net loss $ (6,901) $ (11,543)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 30 184
Gain on sale of assets (110)
Stock based compensation expense 553 1,986
Change in operating lease right-of-use assets 218 294
Change in finance lease right-of-use assets 2 3
Amortization of bond discount (19)
Change in fair value of warrant liability 3,161
Changes in operating assets and liabilities:    
Operating lease liabilities (363) (312)
Prepaid expenses and other current assets 319 814
Accounts payable 71 (276)
Accrued expenses and other liabilities (1,008) (6)
Net cash used in operating activities (4,028) (8,875)
Cash flows from investing activities:    
Purchase of marketable debt securities (7,938)
Proceeds from maturities of marketable debt securities 7,000
Net cash used in investing activities (938)
Cash flows from financing activities:    
Gross proceeds from private placement of preferred stock and common stock warrants 3,300
Transaction costs paid pursuant to private placement (29)
Net proceeds from public offering of common stock and warrants 9,244
Payments of finance lease liability – principal (2) (2)
Net cash provided by financing activities 3,269 9,242
Net decrease in cash, cash equivalents and restricted cash (759) (571)
Cash, cash equivalents and restricted cash at beginning of period 7,534 5,037
Cash, cash equivalents and restricted cash at end of period 6,775 4,466
Supplemental non-cash financing and investing activities:    
Reclassification of warrants from liability to equity 6,103
Sale of assets 320
Unrealized gain on marketable debt securities $ 170