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Note 6 - Intangible Assets - Finite Lived Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 30, 2023 | Dec. 30, 2022
Intangible Assets, gross | $ 165,848 | $ 165,392
Accumulated Amortization | (144,874) | (140,322)
Intangible Assets, net | $ 20,974 | $ 25,070
Existing Technology [Member] |  |
Weighted Average Amortization (Year) | 5 years 1 month 6 days | 5 years 1 month 6 days
Intangible Assets, gross | $ 124,487 | $ 124,487
Accumulated Amortization | (115,085) | (113,157)
Intangible Assets, net | $ 9,402 | $ 11,330
Customer Relationships [Member] |  |
Weighted Average Amortization (Year) | 6 years 1 month 6 days | 6 years 1 month 6 days
Intangible Assets, gross | $ 32,734 | $ 32,734
Accumulated Amortization | (25,909) | (24,509)
Intangible Assets, net | $ 6,825 | $ 8,225
Trademarks and Trade Names [Member] |  |
Weighted Average Amortization (Year) | 10 years | 10 years
Intangible Assets, gross | $ 1,500 | $ 1,500
Accumulated Amortization | (319) | (169)
Intangible Assets, net | $ 1,181 | $ 1,331
Licensed Technology [Member] |  |
Weighted Average Amortization (Year) | 6 years 2 months 12 days | 6 years 3 months 18 days
Intangible Assets, gross | $ 7,127 | $ 6,671
Accumulated Amortization | (3,561) | (2,487)
Intangible Assets, net | $ 3,566 | $ 4,184

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(16)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 928 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483147/928-340-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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