Note 4 - Balance Sheet Components - Capitalized Software Costs (Details) $ in Thousands	9 Months Ended
Sep. 26, 2020 USD ($)
Cloud based computing implementation costs as of December 28, 2019	$ 2,543
Costs capitalized	646
Amortization	(388)
Cloud based computing implementation costs as of September 26, 2020	$ 2,801

Additions made to capitalized computer software costs during the period.

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Amount of expense for amortization of capitalized computer software costs.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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