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Note 14 - Information Concerning Product Lines, Geographic Information and Revenue Concentration - Schedule of Revenue by Shipment Destination (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 02, 2022 | Jan. 03, 2021 | Dec. 29, 2019
Total revenue | [1] | $ 12,685 | $ 8,634 | $ 10,310
Asia Pacific [Member] |  |  |  |
Total revenue | [2] | 3,352 | 2,100 | 3,049
Europe [Member] |  |  |  |
Total revenue |  | 2,448 | 1,501 | 2,459
North America [Member] |  |  |  |
Total revenue | [3] | $ 6,885 | $ 5,033 | $ 4,802
[1] | New products include all products manufactured on 180 nanometer or smaller semiconductor processes, eFPGA IP license, professional services, QuickAI and SensiML AI software as a service (SaaS) revenues. Mature products include all products produced on semiconductor processes larger than 180 nanometers. New product revenues of $7.8 million includes revenues from in eFPGA IP license of $1.1 million and professional engineering services of $1.5 million for fiscal 2021. For fiscal years 2020 and 2019 the Company recognized $0.3 million and $0, respectively, in revenues for professional engineering services. Related to the Company's professional services revenue, the Company had Contract assets of approximately $250 thousand included in accounts receivable on its Consolidated Balance Sheet at January 2, 2022 and none at January 3, 2021. Additionally, at January 2, 2022, the Company had contract liabilities, related to its professional services, of $300 thousand included in deferred revenue on its Consolidated Balance Sheet and none at January 3, 2021.
[2] | Asia Pacific includes revenue from China $1.1 million or 11% and Japan of $1.8 million or 17% of total revenue in 2019 and $1.8 million or 15% and $1.6 million or 12% of total revenue in 2018, respectively. In 2017, revenue from China and Japan were $1.3 million or 11% and $1.5 million or 12%, respectively.
[3] | North America includes revenue from the United States of $4.7 million or 46% of total revenue in 2019, $6.4 million or 50% of total revenue in 2018 and $4.2 million or 34% of total revenue in 2017.

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