v3.26.1
Note 1 - Organization and Summary of Significant Accounting Policies - Summary of Revenues Distribution by Geographical Area and Market (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues $ 477 $ 599 $ 1,091 $ 1,112
North America [Member]        
Revenues $ 93 $ 115 $ 212 $ 228
Revenue, percentage 100.00% 100.00% 100.00% 100.00%
Asia Pacific [Member]        
Revenues $ 230 $ 267 $ 661 $ 624
Revenue, percentage 100.00% 100.00% 100.00% 100.00%
Asia Pacific [Member] | IT and Industrial Customers [Member]        
Revenues $ 171 $ 162 $ 501 $ 376
Revenue, percentage 74.30% 60.70% 75.80% 60.30%
EMEA [Member]        
Revenues $ 154 $ 217 $ 218 $ 260
Revenue, percentage 100.00% 100.00% 100.00% 100.00%
EMEA [Member] | Automotive Customers [Member]        
Revenues $ 154 $ 217 $ 218 $ 260
Revenue, percentage 100.00% 100.00% 100.00% 100.00%
IT and Industrial Customers [Member] | North America [Member]        
Revenues $ 93 $ 115 $ 212 $ 228
Revenue, percentage 100.00% 100.00% 100.00% 100.00%
Automotive Customers [Member] | Asia Pacific [Member]        
Revenues $ 59 $ 105 $ 160 $ 248
Revenue, percentage 25.70% 39.30% 24.20% 39.70%