v3.25.2
Note 3 - Discontinued Operations - Schedule of Income Statement Information From Discontinued Operations (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 29, 2025
Jun. 30, 2024
Jun. 29, 2025
Jun. 30, 2024
Dec. 29, 2024
Basic (in dollars per share) $ (0.17) $ (0.11) $ (0.31) $ (0.1)  
Diluted (in dollars per share) $ (0.17) $ (0.11) $ (0.31) $ (0.1)  
Basic (in shares) 15,884 14,439 15,677 14,308  
Diluted (in shares) 15,884 14,439 15,677 14,308  
Sensi ML [Member] | Discontinued Operations [Member]          
Revenue $ 0 $ 31 $ 11 $ 369  
Cost of revenue 0 168 3 327  
Gross profit 0 (137) 8 42  
Research and development 9 180 18 318  
Selling, general and administrative 0 0 13 0  
Restructuring costs 0 0 87 0  
Interest income and other income (expense), net 0 (4) 0 (10)  
Income (loss) from discontinued operations before income taxes (9) (321) (110) (286)  
(Benefit from) provision for income taxes 0 0 0 0  
Net income (loss) from discontinued operations $ (9) $ (321) $ (110) $ (286)  
Basic (in dollars per share) $ (0) $ (0.02) $ (0.01) $ (0.02)  
Diluted (in dollars per share) $ (0) $ (0.02) $ (0.01) $ (0.02)  
Basic (in shares) 15,884 14,439 15,677 14,308  
Diluted (in shares) 15,884 14,439 15,677 14,308  
Fixed $ 0 $ 4 $ 4 $ 8  
Total 0 4 4 8  
Disposal Group, Including Discontinued Operation, Share-based Payment Arrangement Expense 0 $ 94 (32) 252  
Net cash provided by (used in) operating activities from discontinued operations     (192) (14)  
Net cash provided by (used in) investing activities from discontinued operations     0 (310)  
Net cash provided by (used in) financing activities from discontinued operations     $ 178 $ 362  
Sensi ML [Member] | Discontinued Operations [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer "L" [Member]          
Concentration percentage     34.00%   34.00%
Sensi ML [Member] | Discontinued Operations [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Customer "M" [Member]          
Concentration percentage     65.00%   65.00%
Sensi ML [Member] | Discontinued Operations [Member] | Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer "L" [Member]          
Concentration percentage   83.00% 50.00% 97.00%  
Sensi ML [Member] | Discontinued Operations [Member] | Cost of Sales [Member]          
Disposal Group, Including Discontinued Operation, Share-based Payment Arrangement Expense 0 $ 0 $ 0 $ 0  
Sensi ML [Member] | Discontinued Operations [Member] | Research and Development Expense [Member]          
Disposal Group, Including Discontinued Operation, Share-based Payment Arrangement Expense 0 94 (32) 252  
Sensi ML [Member] | Discontinued Operations [Member] | Selling, General and Administrative Expenses [Member]          
Disposal Group, Including Discontinued Operation, Share-based Payment Arrangement Expense 0 0 0 0  
Sensi ML [Member] | Discontinued Operations [Member] | Asia Pacific [Member]          
Revenue 0 5 4 9  
Sensi ML [Member] | Discontinued Operations [Member] | North America [Member]          
Revenue 0 26 6 360  
Sensi ML [Member] | Discontinued Operations [Member] | Europe [Member]          
Revenue 0 0 1 0  
Sensi ML [Member] | New Products [Member] | Discontinued Operations [Member]          
Revenue $ 0 $ 31 $ 11 $ 369