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Note 10 - Information Concerning Product Lines, Geographic Information, and Revenue Concentration (Tables) | 9 Months Ended
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Oct. 01, 2023
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 1, 2023 |  |  | October 2, 2022 |  |  | October 1, 2023 |  |  | October 2, 2022 |
New products |  | $ | 6,096 |  |  | $ | 2,252 |  |  | $ | 11,384 |  |  | $ | 8,833 |
Mature products |  |  | 569 |  |  |  | 1,207 |  |  |  | 2,335 |  |  |  | 3,263 |
Total revenue |  | $ | 6,665 |  |  | $ | 3,459 |  |  | $ | 13,719 |  |  | $ | 12,096 |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 1, 2023 |  |  | October 2, 2022 |  |  | October 1, 2023 |  |  | October 2, 2022 |
Hardware products |  | $ | 248 |  |  | $ | 308 |  |  | $ | 776 |  |  | $ | 3,607 |
eFPGA IP and professional services |  |  | 5,838 |  |  |  | 1,700 |  |  |  | 10,505 |  |  |  | 4,911 |
SaaS & Other |  |  | 10 |  |  |  | 244 |  |  |  | 103 |  |  |  | 315 |
New products revenue |  | $ | 6,096 |  |  | $ | 2,252 |  |  | $ | 11,384 |  |  | $ | 8,833 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 1, 2023 |  |  | October 2, 2022 |  |  | October 1, 2023 |  |  | October 2, 2022 |
Asia Pacific |  | $ | 371 |  |  | $ | 783 |  |  | $ | 1,540 |  |  | $ | 3,114 |
North America |  |  | 6,051 |  |  |  | 2,389 |  |  |  | 11,739 |  |  |  | 7,904 |
Europe |  |  | 243 |  |  |  | 287 |  |  |  | 440 |  |  |  | 1,078 |
Total revenue |  | $ | 6,665 |  |  | $ | 3,459 |  |  | $ | 13,719 |  |  | $ | 12,096 |
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | October 1, |  |  | October 2, |  |  | October 1, |  |  | October 2, |
|  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Distributor "A" |  |  | * |  |  |  | 20 | % |  |  | 11 | % |  |  | 15 | %
Distributor "B" |  |  | * |  |  |  | * |  |  |  | * |  |  |  | 16 | %
Distributor "C" |  |  | * |  |  |  | 10 | % |  |  | * |  |  |  | * |
Customer "A" |  |  | 84 | % |  |  | 30 | % |  |  | 67 | % |  |  | * |
Customer "B" |  |  | * |  |  |  | 13 | % |  |  | * |  |  |  | * |
Customer "C" |  |  | * |  |  |  | 12 | % |  |  | * |  |  |  | 20 | %
Customer "F" |  |  | * |  |  |  | * |  |  |  | * |  |  |  | 16 | %
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | October 1, |  |  | January 1, |
|  | 2023 |  |  | 2023 |
Distributor "A" |  |  | * |  |  |  | 14 | %
Customer "A" |  |  | 89 | % |  |  | * |
Customer "C" |  |  | * |  |  |  | 22 | %
Customer "F" |  |  | * |  |  |  | 44 | %

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