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Note 1 - Basis of Presentation and Significant Accounting Policies (Tables) | 12 Months Ended
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Jan. 02, 2021
Notes Tables |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Year Ended |
|  | January 2, 2021 |  |  | December 28, 2019 |  |  | December 29, 2018 |
Weikeng Group |  |  | 35 | % |  |  | 30 | % |  |  | 25 | %
Arrow Electronics Inc. |  |  | 25 |  |  |  | 25 |  |  |  | 29 |
Other distributors |  |  | 23 |  |  |  | 27 |  |  |  | 29 |
Revenue attributable to distributors |  |  | 83 | % |  |  | 82 | % |  |  | 83 | %

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