v3.26.1
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (26,609) $ (23,486)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation of property and equipment 424 400
Stock-based compensation 1,484 1,610
Reclassification of foreign currency translation adjustments (117)
Equipment write-off and loss on equipment disposal 60
Non-cash lease expense 269 276
Changes in operating assets and liabilities:    
R&D tax credit incentive receivable (401) (253)
Prepaid expenses and other assets 908 491
Accounts payable (222) 248
Accrued compensation expenses 22 (53)
Accrued expenses (78) (79)
Net cash used in operating activities (24,320) (20,786)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (1,173) (556)
Net cash used in investing activities (1,173) (556)
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 (28) 160
Proceeds from issuance of common stock in connection with director private securities purchase agreement, net of issuance costs 4,970
Proceeds from issuance of common stock in connection with 2025 Private Sales Transaction, net of issuance costs 8,543
Proceeds from issuance of common stock in connection with 2025 Registered Direct Offering, net of issuance costs 8,748
Proceeds from issuance of common stock in connection with 2025 Private Placement, net of issuance costs 6,000
Gross proceeds from insurance premium loan 355 426
Principal payment for insurance premium loan (344) (189)
Net cash provided by financing activities 23,274 19,054
Effect of exchange rate changes on cash and cash equivalents 99 (14)
Net (decrease) in cash, cash equivalents and restricted cash (2,120) (2,302)
Cash, cash equivalents and restricted cash balance at beginning of year 19,690 21,992
Cash, cash equivalents and restricted cash balance at end of year 17,570 19,690
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:    
Income taxes paid 2
NON-CASH INVESTING AND FINANCING ACTIVITIES:    
Establishment of operating right-of-use assets through operating lease obligations 839
Purchase of property and equipment in accrued expenses $ 437