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Commitments and Contingencies (Details)	1 Months Ended						3 Months Ended
	Mar. 31, 2025 USD ($) ft²	May 31, 2024 USD ($) ft²	Apr. 30, 2024 USD ($) ft²	Mar. 31, 2024 USD ($) ft²	Feb. 29, 2024 USD ($)	Jun. 30, 2023 USD ($) ft²	Mar. 31, 2025 USD ($) ft²	Mar. 31, 2024 USD ($) ft²	Dec. 31, 2024 USD ($)
Commitments and Contingencies
Current lease liabilities	$ 357,000						$ 357,000		$ 352,000
Lease liabilities, long term	688,000						688,000		777,000
ROU asset	$ 981,000						$ 981,000		$ 1,064,000
Weighted average discount rate (as a percent)	8.90%						8.90%		8.90%
Future imputed interest	$ 174,000						$ 174,000		$ 199,000
Weighted average remaining lease term	2 years						2 years		2 years 2 months 12 days
Operating lease costs							$ 133,000	$ 124,000
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						500
Sublease rent per month							$ 1,000
Singapore
Commitments and Contingencies
Area of sublease space | ft²	275						275
Sublease rent per month							$ 1,000
Hong Kong
Commitments and Contingencies
Area of sublease space | ft²	3,000						3,000
Sublease rent per month							$ 2,000
Cost of revenue
Commitments and Contingencies
Operating lease costs							73,000	67,000
Operating expenses
Commitments and Contingencies
Operating lease costs							$ 60,000	$ 57,000
Sublease of space located in Irvine, California
Commitments and Contingencies
Area of sublease space | ft²	9,800						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						14,476
Sublease rent per month		$ 8,000
Lease rent per month		$ 3,000
Additional space leased | ft²		7,287
Fremont, California Facility
Commitments and Contingencies
Sublease rent per month				$ 10,625
Area of lease space | ft²				5,183				5,183
Lease period				5 years 3 months 19 days				5 years 3 months 19 days
Percentage of annual increase in lease rent				3.50%
Newark, California manufacturing facility
Commitments and Contingencies
Area of sublease space | ft²	10,635						10,635
Sublease 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						10,786
Lease rent per month							$ 8,000

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