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Note 6 - Intangible Assets (Tables) | 12 Months Ended
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Dec. 30, 2023
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | December 30, 2023 |
(In thousands) |  | Weighted Average Amortization Period (in years) |  |  | Gross |  |  | Accumulated Amortization |  |  | Intangible assets, net |
Existing technology |  | 5.1 |  |  | $ | 124,487 |  |  | $ | (115,085 | ) |  | $ | 9,402 |
Customer relationships |  | 6.1 |  |  |  | 32,734 |  |  |  | (25,909 | ) |  |  | 6,825 |
Trade name / trademarks |  | 10.0 |  |  |  | 1,500 |  |  |  | (319 | ) |  |  | 1,181 |
Licensed technology |  | 6.2 |  |  |  | 7,127 |  |  |  | (3,561 | ) |  |  | 3,566 |
Total identified intangible assets |  |  |  |  | $ | 165,848 |  |  | $ | (144,874 | ) |  | $ | 20,974 |
|  | December 31, 2022 |
(In thousands) |  | Weighted Average Amortization Period (in years) |  |  | Gross |  |  | Accumulated Amortization |  |  | Intangible assets, net |
Existing technology |  | 5.1 |  |  | $ | 124,487 |  |  | $ | (113,157 | ) |  | $ | 11,330 |
Customer relationships |  | 6.1 |  |  |  | 32,734 |  |  |  | (24,509 | ) |  |  | 8,225 |
Trade name / trademarks |  | 10.0 |  |  |  | 1,500 |  |  |  | (169 | ) |  |  | 1,331 |
Licensed technology |  | 6.3 |  |  |  | 6,671 |  |  |  | (2,487 | ) |  |  | 4,184 |
Total identified intangible assets |  |  |  |  | $ | 165,392 |  |  | $ | (140,322 | ) |  | $ | 25,070 |
Finite-Lived Intangible Assets Amortization Expense [Table Text Block] |
|  | Year Ended |
|  | December 30, |  |  | December 31, |  |  | January 1, |
(In thousands) |  | 2023 |  |  | 2022 |  |  | 2022 |
Research and development |  | $ | 1,074 |  |  | $ | 1,054 |  |  | $ | 901 |
Amortization of acquired intangible assets |  |  | 3,478 |  |  |  | 3,778 |  |  |  | 2,613 |
|  | $ | 4,552 |  |  | $ | 4,832 |  |  | $ | 3,514 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Fiscal year |  | (In thousands) |
2024 |  | $ | 4,417 |
2025 |  |  | 4,370 |
2026 |  |  | 4,362 |
2027 |  |  | 4,268 |
2028 |  |  | 3,125 |
Thereafter |  |  | 432 |
Total |  | $ | 20,974 |

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