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Schedule of Segment Information by Revenue Type (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 26, 2020 | Sep. 26, 2020 | Jun. 27, 2020 | Mar. 28, 2020 | Dec. 28, 2019 | Sep. 28, 2019 | Jun. 29, 2019 | [1] | Mar. 30, 2019 | Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenues | $ 13,922 | $ 9,513 | $ 8,815 | $ 7,878 | $ 8,727 | $ 6,139 | $ 9,110 | $ 5,543 | $ 40,128 | $ 29,519 | $ 24,465
Percentage of total revenue |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
UNITED STATES |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  | $ 33,031 | $ 14,946 | $ 14,436
Percentage of total revenue |  |  |  |  |  |  |  |  | 82.00% | 51.00% | 59.00%
Other Americas [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  | $ 101 | $ 134 | $ 123
Percentage of total revenue |  |  |  |  |  |  |  |  | 0.00% | 0.00% | 1.00%
Americas [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  | $ 33,132 | $ 15,080 | $ 14,559
Percentage of total revenue |  |  |  |  |  |  |  |  | 82.00% | 51.00% | 60.00%
Asia Pacific [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  | $ 5,798 | $ 11,768 | $ 6,916
Percentage of total revenue |  |  |  |  |  |  |  |  | 15.00% | 40.00% | 28.00%
Europe [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  | $ 1,198 | $ 2,628 | $ 2,948
Percentage of total revenue |  |  |  |  |  |  |  |  | 3.00% | 9.00% | 12.00%
Other [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total Revenues |  |  |  |  |  |  |  |  |  | $ 42 | $ 42
Percentage of total revenue |  |  |  |  |  |  |  |  | 0.00% | 0.00% | 0.00%
[1] | Includes $3.5 million revenue from licensing functional IP for the three month period ended June 29, 2019.

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