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 $ (16,106) $ (16,490)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 862 938
Impairment of long-lived assets 2,529 1,706
Impairment of goodwill 1,389 0
Impairment of intangible assets 620 5
Impairment of operating lease right-of-use assets 1,736 2,805
Unrealized gain on marketable securities (33) (321)
Foreign currency remeasurement loss 654 259
Gain on lease termination (410) (655)
Loss on disposal of assets, net 29 90
Amortization of operating lease right of use asset 916 1,335
Provision for credit losses   50
Stock-based compensation 1,082 893
(Gain) loss on equity investment (27) (35)
Change in fair value of derivative liability 80  
Change in fair value of warrant liability (3,215)  
Loss on issuance of Series G Preferred Stock 3,443  
Changes in assets and liabilities:    
(Increase) decrease in inventory (8) 399
(Increase) decrease in accounts receivable 247 (193)
(Decrease) increase in deferred revenue (17) 281
(Increase) in other assets, current and non-current (596) (103)
(Decrease) in other liabilities, current and non-current (3,094) (2,356)
Increase in accounts payable 1,206 387
Net cash used in operating activities (8,713) (11,005)
Cash flows from investing activities    
Acquisition of property and equipment (2,964) (1,783)
Investment in marketable securities (95) (299)
Sale of marketable securities 7,391 7,986
Acquisition of intangibles   (9)
Net cash provided by investing activities 4,332 5,895
Cash flows from financing activities    
Stock option exercised   4
Proceeds from registered offering, net of offering costs 3,745 1,355
Redemption of preferred stock (1,794)  
Distributions to noncontrolling interests (9)  
Net cash provided by financing activities 1,942 1,359
Effect of exchange rate changes on cash, cash equivalents and restricted cash 6 (136)
Decrease in cash, cash equivalents and restricted cash (2,433) (3,887)
Cash, cash equivalents, and restricted cash at beginning of the year 5,301 9,188
Cash, cash equivalents, and restricted cash at end of the period 2,868 5,301
Cash paid for    
Income taxes 58 59
Non-cash investing and financing transactions    
Issuance of shares of Common Stock for legal settlement   940
Capital expenditures included in Accounts payable, accrued expenses and other current liabilities 14 152
Accrual of Series convertible preferred stock dividends 267  
Accretion of Series G convertible preferred stock to redemption value 4,000  
Initial fair value of warrant liability 5,873  
Initial fair value of derivative liability 1,315  
Accrued Series G convertible preferred stock redemption payable 538  
Noncash conversion of Series G convertible preferred stock 177  
Deemed dividend on Exchange of Series G Preferred Stock 4,399  
Deemed dividend on warrant exchange 2,334  
Initial fair value of derivative liability on convertible debt 3,105  
Extinguishment of convertible preferred stock with bifurcated embedded derivative 630  
Fair value of convertible note on exchange 6,689  
Reclass of warrant liability upon modification 2,658  
Lease liability remeasurement due to modification 79  
Right-of-use asset and lease liability recognized for new operating lease $ 204 $ 3,257