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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Cash flows from operating activities: |  |  |  |  |  |  |  |  |
Net loss | $ (172) | $ (231) | $ (268) | $ (316) | $ (554) | $ (418) | $ (671) | $ (1,288) | $ (1,600)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |  |  |  |  |  |
Foreign exchange loss (gain) | 27 |  |  | 0 |  |  | (18) | 0 |
Loss on settlement of vendor obligations | 0 |  |  | 0 |  |  | 8 | 0 |
Gain on debt extinguishment | 0 |  |  | 0 |  |  | 0 | (187) |
Gain on partial lease termination | 0 |  |  | (63) |  |  | 0 | (63) |
Depreciation | 9 |  |  | 9 |  |  | 28 | 28 |
Gain on disposal of fixed assets | (3) |  |  | 0 |  |  | (3) | 0 |
Stock-based compensation | 0 |  |  | 1 |  |  | (4) | 2 |
Provision for credit losses and sales return | (46) |  |  | 6 |  |  | 18 | (70) |
Provision for slow-moving and obsolete inventories | 78 |  |  | 105 |  |  | 136 | 330 |
Provision for warranties | (1) |  |  | 1 |  |  | (31) | (32) |
Amortization of loan discounts and origination fees | 0 |  |  | 0 |  |  | 0 | 5 |
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |
Accounts receivable | 310 |  |  | (100) |  |  | 119 | 1,097 |
Inventories | (337) |  |  | (35) |  |  | (236) | 388 |
Prepayments to vendors | (2) |  |  | 14 |  |  | (18) | 29 |
Prepaid and other assets | (51) |  |  | 4 |  |  | (33) | (55) |
Accrued and other liabilities | 24 |  |  | (104) |  |  | 45 | (130) |
Operating lease - ROU and liabilities | 0 |  |  | (50) |  |  | (2) | (26) |
Total adjustments | 117 |  |  | 49 |  |  | 129 | 245 |
Net cash used in operating activities | (55) |  |  | (267) |  |  | (542) | (1,043) | (1,300)
Cash flows from investing activities: |  |  |  |  |  |  |  |  |
Acquisitions of property and equipment | (49) |  |  | (19) |  |  | (54) | (19) |
Proceeds from the sale of property and equipment | 13 |  |  | 0 |  |  | 13 | 0 |
Net cash used in investing activities | (36) |  |  | (19) |  |  | (41) | (19) |
Cash flows from financing activities: |  |  |  |  |  |  |  |  |
Issuance of common stock | 500 |  |  | 0 |  |  | 900 | 851 |
Payments on the 2022 Streeterville Note | 0 |  |  | 0 |  |  | 0 | (1,000) |
Net cash provided by (used in) financing activities | 500 |  |  | 0 |  |  | 900 | (149) |
Effect of exchange rate changes on cash | (11) |  |  | 0 |  |  | 15 | 0 |
Net increase (decrease) in cash | 398 |  |  | (286) |  |  | 332 | (1,211) |
Cash, beginning of period | 499 |  | $ 565 | 1,105 |  | $ 2,030 | 565 | 2,030 | 2,030
Cash, end of period | 897 | $ 499 |  | 819 | $ 1,105 |  | 897 | 819 | $ 565
Supplemental information: |  |  |  |  |  |  |  |  |
Cash paid in year for interest | 0 |  |  | 0 |  |  | 0 | 5 |
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] |  |  |  |  |  |  |  |  |
Debt-to-equity exchange transactions | 0 |  |  | 0 |  |  | 0 | 591 |
Nonrelated Party |  |  |  |  |  |  |  |  |
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |
Accounts payable | 90 |  |  | 98 |  |  | 27 | 177 |
Related Party |  |  |  |  |  |  |  |  |
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |
Accounts payable | $ 19 |  |  | $ 163 |  |  | $ 93 | $ (1,248) |

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