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v3.25.1

Note 1 - Summary of Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 29, 2025
Notes Tables |
Schedule of Inventory, Current [Table Text Block] |
|  | March 29, |  |  | December 28, |
|  | 2025 |  |  | 2024 |
Raw materials and purchased parts |  | $ | 91,907 |  |  | $ | 94,970 |
Work in process |  |  | 22,719 |  |  |  | 25,833 |
Finished goods |  |  | 24,739 |  |  |  | 21,058 |
Total inventories |  | $ | 139,365 |  |  | $ | 141,861 |
Property, Plant and Equipment [Table Text Block] |
|  | March 29, |  |  | December 28, |
|  | 2025 |  |  | 2024 |
Land and land improvements |  | $ | 12,006 |  |  | $ | 6,941 |
Buildings and building improvements |  |  | 45,158 |  |  |  | 47,733 |
Machinery and equipment |  |  | 108,272 |  |  |  | 104,767 |
|  |  | 165,436 |  |  |  | 159,441 |
Less accumulated depreciation and amortization |  |  | (89,428 | ) |  |  | (84,655 | )
Property, plant and equipment, net |  | $ | 76,008 |  |  | $ | 74,786 |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Three Months Ended |
|  | March 29, |  |  | March 30, |
|  | 2025 |  |  | 2024 |
Cost of sales |  | $ | 325 |  |  | $ | 227 |
Research and development |  |  | 1,219 |  |  |  | 834 |
Selling, general and administrative |  |  | 4,686 |  |  |  | 3,567 |
Total share-based compensation |  |  | 6,230 |  |  |  | 4,628 |
Income tax effect |  |  | (1,815 | ) |  |  | 203 |
Total share-based compensation, net |  | $ | 4,415 |  |  | $ | 4,831 |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
|  | Three Months Ended |
|  | March 29, |  |  | March 30, |
|  | 2025 |  |  | 2024 |
Weighted average common shares |  |  | 46,645 |  |  |  | 47,134 |
Effect of dilutive securities |  |  | - |  |  |  | - |
|  |  | 46,645 |  |  |  | 47,134 |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |
Disaggregated Net Sales |  | March 29, 2025 |  |  | March 30, 2024 |
Systems |  | $ | 35,642 |  |  | $ | 37,311 |
Non-systems |  |  | 61,155 |  |  |  | 70,303 |
Total net sales |  | $ | 96,797 |  |  | $ | 107,614 |
|  | Three Months Ended |
Disaggregated Net Sales |  | March 29, 2025 |  |  | March 30, 2024 |
Malaysia |  | $ | 18,162 |  |  | $ | 16,899 |
China |  |  | 14,128 |  |  |  | 11,744 |
Philippines |  |  | 13,186 |  |  |  | 11,842 |
Germany |  |  | 11,245 |  |  |  | 8,185 |
United States |  |  | 8,756 |  |  |  | 14,642 |
Singapore |  |  | 4,877 |  |  |  | 12,064 |
Rest of the World |  |  | 26,443 |  |  |  | 32,238 |
Total net sales |  | $ | 96,797 |  |  | $ | 107,614 |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Three Months Ended |
|  | March 29, |  |  | March 30, |
|  | 2025 |  |  | 2024 |
Customers individually representing more than 10% of net sales |  | one |  |  | one |
Percentage of net sales |  |  | 11 | % |  |  | 10 | %

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