v3.25.2
Commitments and Contingencies (Details)
1 Months Ended 3 Months Ended 6 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
Jun. 30, 2025
USD ($)
ft²
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
ft²
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Commitments and Contingencies                      
Current lease liabilities $ 353,000           $ 353,000   $ 353,000   $ 352,000
Lease liabilities, long term 641,000           641,000   641,000   777,000
ROU asset $ 931,000           $ 931,000   $ 931,000   $ 1,064,000
Weighted average discount rate (as a percent) 9.10%           9.10%   9.10%   8.90%
Future imputed interest $ 156,000           $ 156,000   $ 156,000   $ 199,000
Weighted average remaining lease term 2 years           2 years   2 years   2 years 2 months 12 days
Operating lease costs             $ 136,000 $ 156,000 $ 269,000 $ 280,000,000  
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   500    
Sublease rent per month                 $ 1,000    
Singapore                      
Commitments and Contingencies                      
Area of sublease space | ft² 275           275   275    
Sublease rent per month                 $ 1,000    
Hong Kong                      
Commitments and Contingencies                      
Area of sublease space | ft² 3,000           3,000   3,000    
Sublease rent per month                 $ 2,000    
Cost of revenue                      
Commitments and Contingencies                      
Operating lease costs             $ 76,000 86,000 150,000 155,000,000  
Operating expenses                      
Commitments and Contingencies                      
Operating lease costs             $ 60,000 $ 71,000 $ 119,000 $ 125,000,000  
Sublease of space located in Irvine, California                      
Commitments and Contingencies                      
Area of sublease space | ft² 9,800           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   14,476    
Sublease rent per month     $ 8,000                
Area of lease space | ft² 1,292           1,292   1,292    
Lease rent per month $ 1,000   $ 3,000,000                
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                
Area of lease space | ft²     3.5                
Lease period     5 years 3 months                
Newark, California manufacturing facility                      
Commitments and Contingencies                      
Lease liabilities capitalized (as a percent)                 9.50% 9.50%  
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           10,786   10,786    
Lease rent per month                 $ 11,000