Note 4 - Balance Sheet Components - Capitalized Software Costs (Details) $ in Thousands	9 Months Ended
Oct. 02, 2021 USD ($)
Cloud based computing implementation costs as of January 2, 2021	$ 2,831
Costs capitalized	289
Amortization	(544)
Cloud based computing implementation costs as of October 2, 2021	$ 2,576

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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