v3.25.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
CASH FLOWS FROM OPERATING ACTIVIES:    
Net loss $ (23,486) $ (25,652)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization of property and equipment 400 357
Stock-based compensation 1,610 1,864
Equipment write-off and loss on equipment disposal 60 121
Non-cash lease expense 276 904
Changes in operating assets and liabilities:    
R&D tax credit incentive receivable (253)
Prepaid expenses and other assets 491 264
Accounts payable 248 (602)
Accrued compensation expenses (53) (261)
Accrued expenses (79) (694)
Net cash used in operating activities (20,786) (23,699)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (556) (887)
Net cash used in investing activities (556) (887)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from issuance of common stock and warrants in connection with Securities Purchase Agreement, net of issuance costs 13,687
Proceeds from issuance of common stock in connection with the Sales Agreement, net of issuance costs 160
Gross proceeds from insurance premium loan 426
Principal payment for insurance premium loan (189)
Proceeds from issuance of common stock in connection with director private securities purchase agreement, net of issuance costs 4,970
Proceeds from exercise of common stock options 133
Net cash provided by financing activities 19,054 133
Effect of exchange rate changes on cash and cash equivalents (14) 3
Net (decrease) increase in cash, cash equivalents and restricted cash (2,302) (24,450)
Cash, cash equivalents and restricted cash balance at beginning of year 21,992 46,442
Cash, cash equivalents and restricted cash balance at end of year 19,690 21,992
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:    
Income taxes paid 2 1
NON-CASH INVESTING AND FINANCING ACTIVITIES:    
Establishment of operating right-of-use assets through operating lease obligations 20,755
Receivables for cash in-transit on exercise of common stock under equity incentive plan 3
Purchase of property and equipment in accrued expenses $ 132

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