Note G - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jan. 02, 2021 |
Dec. 28, 2019 |
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| Finite-lived intangible assets, net | $ 3,092 | |
| Intangible assets, gross | 40,954 | $ 38,009 |
| Intangible assets, net | 30,796 | 29,840 |
| Licensing Agreements [Member] | ||
| Indefinite-lived intangible assets | 27,704 | 25,858 |
| Trademarks and Trade Names [Member] | ||
| Finite-lived intangible assets, gross | 4,062 | 3,791 |
| Finite-lived intangible assets, accumulated amortization | (4,062) | (3,548) |
| Finite-lived intangible assets, net | $ 0 | $ 243 |
| Finite-lived intangible assets, weighted average amortization period (Year) | 10 years | 10 years |
| Trade Secrets [Member] | ||
| Finite-lived intangible assets, gross | $ 9,188 | $ 8,360 |
| Finite-lived intangible assets, accumulated amortization | (6,096) | (4,621) |
| Finite-lived intangible assets, net | $ 3,092 | $ 3,739 |
| Finite-lived intangible assets, weighted average amortization period (Year) | 8 years | 8 years |
| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. No definition available.
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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