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Note 3 - Revenue From Contracts With Customers (Tables) | 12 Months Ended
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Jan. 02, 2021
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
Major Class of Revenue |  | Year Ended |
|  | January 2, |  |  | December 28, |  |  | December 29, |
(In thousands) |  | 2021 |  |  | 2019 |  |  | 2018 |
Product |  | $ | 388,502 |  |  |  | 95 | % |  | $ | 382,548 |  |  |  | 95 | % |  | $ | 380,468 |  |  |  | 95 | %
Licensing and services |  |  | 19,618 |  |  |  | 5 | % |  |  | 21,545 |  |  |  | 5 | % |  |  | 18,331 |  |  |  | 5 | %
Total revenue |  | $ | 408,120 |  |  |  | 100 | % |  | $ | 404,093 |  |  |  | 100 | % |  | $ | 398,799 |  |  |  | 100 | %
Revenue by Channel |  | Year Ended |
|  | January 2, |  |  | December 28, |  |  | December 29, |
(In thousands) |  | 2021 |  |  | 2019 |  |  | 2018 |
Product revenue - Distributors |  | $ | 339,100 |  |  |  | 83 | % |  | $ | 331,941 |  |  |  | 82 | % |  | $ | 330,719 |  |  |  | 83 | %
Product revenue - Direct |  |  | 49,402 |  |  |  | 12 | % |  |  | 50,607 |  |  |  | 13 | % |  |  | 49,749 |  |  |  | 12 | %
Licensing and services revenue |  |  | 19,618 |  |  |  | 5 | % |  |  | 21,545 |  |  |  | 5 | % |  |  | 18,331 |  |  |  | 5 | %
Total revenue |  | $ | 408,120 |  |  |  | 100 | % |  | $ | 404,093 |  |  |  | 100 | % |  | $ | 398,799 |  |  |  | 100 | %
Revenue by Geographical Market |  | Year Ended |
|  | January 2, |  |  | December 28, |  |  | December 29, |
(In thousands) |  | 2021 |  |  | 2019 |  |  | 2018 |
United States |  | $ | 43,945 |  |  |  | 11 | % |  | $ | 44,330 |  |  |  | 11 | % |  | $ | 38,585 |  |  |  | 10 | %
Other Americas |  |  | 18,192 |  |  |  | 4 | % |  |  | 13,606 |  |  |  | 3 | % |  |  | 16,549 |  |  |  | 4 | %
Americas |  |  | 62,137 |  |  |  | 15 | % |  |  | 57,936 |  |  |  | 14 | % |  |  | 55,134 |  |  |  | 14 | %
China |  |  | 213,714 |  |  |  | 52 | % |  |  | 206,107 |  |  |  | 51 | % |  |  | 202,983 |  |  |  | 51 | %
Taiwan |  |  | 30,972 |  |  |  | 8 | % |  |  | 19,746 |  |  |  | 5 | % |  |  | 16,124 |  |  |  | 4 | %
Japan |  |  | 25,435 |  |  |  | 6 | % |  |  | 42,658 |  |  |  | 11 | % |  |  | 44,033 |  |  |  | 11 | %
Other Asia |  |  | 35,062 |  |  |  | 9 | % |  |  | 30,254 |  |  |  | 7 | % |  |  | 34,979 |  |  |  | 9 | %
Asia |  |  | 305,183 |  |  |  | 75 | % |  |  | 298,765 |  |  |  | 74 | % |  |  | 298,119 |  |  |  | 75 | %
Europe |  |  | 40,800 |  |  |  | 10 | % |  |  | 47,392 |  |  |  | 12 | % |  |  | 45,546 |  |  |  | 11 | %
Total revenue |  | $ | 408,120 |  |  |  | 100 | % |  | $ | 404,093 |  |  |  | 100 | % |  | $ | 398,799 |  |  |  | 100 | %
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
(In thousands) |  |  |  |
Contract assets as of December 29, 2018 |  | $ | 9,143 |
Revenues recorded during the period |  |  | 17,356 |
Transferred to Accounts receivable or collected |  |  | (20,930 | )
Contract assets as of December 28, 2019 |  | $ | 5,569 |
Revenues recorded during the period |  |  | 15,860 |
Transferred to Accounts receivable or collected |  |  | (15,818 | )
Contract assets as of January 2, 2021 |  | $ | 5,611 |
(In thousands) |  |  |  |
Contract liabilities as of December 29, 2018 |  | $ | 1,614 |
Accruals for estimated future stock rotation and scrap returns |  |  | 5,763 |
Less: Release of accruals for recognized stock rotation and scrap returns |  |  | (5,064 | )
Contract liabilities as of December 28, 2019 |  | $ | 2,313 |
Accruals for estimated future stock rotation and scrap returns |  |  | 5,976 |
Less: Release of accruals for recognized stock rotation and scrap returns |  |  | (5,221 | )
Contract liabilities as of January 2, 2021 |  | $ | 3,068 |

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