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v3.26.1

Commitments and Contingencies (Details) | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) ft² | Mar. 31, 2025 USD ($) | May 31, 2024 USD ($) ft² | Apr. 30, 2024 USD ($) ft² | Feb. 29, 2024 USD ($) ft² | Jun. 30, 2023 USD ($) ft² | Sep. 30, 2025 USD ($) ft² | Dec. 31, 2025 USD ($) ft² | Dec. 31, 2024 USD ($)
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Lease liabilities capitalized (as a percent) |  |  |  |  |  |  |  | 9.50% | 9.50%
Current lease liabilities |  |  |  |  |  |  |  | $ 324,000 | $ 352,000
Lease liabilities, long term |  |  |  |  |  |  |  | 493,000 | 777,000
ROU asset |  |  |  |  |  |  |  | 760,000 | 1,064,000
Future imputed interest |  |  |  |  |  |  |  | $ 113,000 | $ 199,000
Weighted average discount rate (as a percent) |  |  |  |  |  |  |  | 9.10% | 8.90%
Weighted average remaining lease term |  |  |  |  |  |  |  | 1 year 6 months | 2 years 2 months 12 days
Operating lease costs |  |  |  |  |  |  |  | $ 598,000 | $ 697,000
Period of warranty from date of shipment |  |  |  |  |  |  |  | 1 year |
Extended warranty minimum period |  |  |  |  |  |  |  | 1 year |
Chief Executive Officer |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Period for severance payment |  |  |  |  |  |  |  | 12 months |
Japan |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Area of sublease space | ft² |  |  |  |  |  |  |  | 500 |
Sublease rent per month |  |  |  |  |  |  |  | $ 1,000 |
Singapore |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Area of sublease space | ft² |  |  |  |  |  |  |  | 275 |
Sublease rent per month |  |  |  |  |  |  |  | $ 1,000 |
Hong Kong |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Area of sublease space | ft² |  |  |  |  |  |  |  | 3,000 |
Sublease rent per month |  |  |  |  |  |  |  | $ 2,000 |
Cost of revenue |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Operating lease costs |  |  |  |  |  |  |  | 353,000 | 326,000
Operating expenses |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Operating lease costs |  |  |  |  |  |  |  | $ 245,000 | $ 371,000
Sublease of space located in Irvine, California |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Area of sublease space | ft² |  |  |  |  |  |  |  | 9,800 |
Sublease rent per month |  |  |  |  |  |  |  | $ 5,000 |
Space located in Irvine, California for executive offices, sales, finance and administration | Sublease of space located in Irvine, California |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Area of sublease space | ft² |  |  |  |  |  | 1,560 |  |  |
Sublease rent per month |  |  |  |  |  | $ 4,000 |  |  |
Office space in Bellevue, Washington |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Sublease rent per month |  | $ 10,000 |  |  |  |  |  |  |
Area of lease space | ft² |  |  |  | 2,480 |  |  |  |  |
Lease rent per month |  |  |  | $ 9,000 |  |  |  |  |
Shenzhen, china manufacturing facility |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Area of sublease space | ft² |  |  |  |  |  |  |  | 14,476 |
Sublease rent per month |  |  | $ 8,000 |  |  |  |  |  |
Area of lease space | ft² | 1,292 |  |  |  |  |  |  |  |
Lease rent per month |  |  | $ 3,000 |  |  |  |  |  |
Additional space leased | ft² |  |  | 7,287 |  |  |  |  |  |
Lease period |  |  | 2 years |  |  |  |  |  |
Fremont, California Facility |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Area of sublease space | ft² |  |  | 5,183 |  |  |  |  |  |
Sublease rent per month |  |  | $ 11,000 |  |  |  |  |  |
Lease period |  |  | 5 years 3 months |  |  |  |  |  |
Percentage of annual increase in lease rent |  |  | 3.50% |  |  |  |  |  |
Newark, California manufacturing facility |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Sublease rent per month | $ 1,000 |  |  |  |  |  |  |  |
Area of lease space | ft² |  |  |  |  | 10,635 |  |  |  |
Lease rent per month |  |  |  |  | $ 19,000 |  |  |  |
Space For Manufacturing Facility And Administrative Office Located In Barnsley, England |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |
Area of lease space | ft² |  |  |  |  |  |  | 10,786 |  |
Lease rent per month |  |  |  |  |  |  | $ 11,000 |  |

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