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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities:    
Net loss $ (2,402) $ (1,198)
Adjustment to reconcile net loss to net cash:    
Depreciation and amortization 58 154
Impairment of assets 0 152
Common stock-based compensation and expenses, net 1,009 455
Other items 20 2
Changes in:    
Accounts receivable, net (24) 2
Inventory 0 73
Deposits and advances (37) 3
Claims and advances 10 0
Accounts payable 241 45
Accrued and other liabilities (98) (447)
Operating lease asset 2 31
Operating lease liability (2) (2)
Net cash used in operating activities (1,223) (730)
Cash flow from investing activities:    
Purchase of property, plant, and equipment (1) (18)
Sale of property, plant, and equipment 0 24
Acquisition and development of intangible assets (169) (148)
Net cash used in investing activities (170) (142)
Cash flows from financing activities:    
Net proceeds from the issuance of common stock 87 805
Net proceeds from the loan 623 0
Net cash provided by financing activities 710 805
Effects of exchange rate changes on cash and cash equivalents (10) 2
Net decrease in cash and cash equivalents (693) (65)
Cash and cash equivalents at the beginning of the period 900 470
Cash and cash equivalents at the end of the period 207 405
Other item:    
Unrealized loss from current investment 10 0
Amortization of debt discount and issuance cost 10 0
Profit/Loss on sale of fixed assets, net 0 (11)
Provision for bad debt $ 0 $ 13