Note 4 - Balance Sheet Components - Accrued Expenses (Details) - USD ($) $ in Thousands	Apr. 03, 2021	Jan. 02, 2021
Liability for non-cancelable contracts	$ 8,398	$ 8,492
Contract liability under ASC 606	4,913	3,068
Other accrued expenses	5,664	5,702
Total accrued expenses	24,559	21,411
Accrued Liabilities [Member]
Current portion of operating lease liabilities	$ 5,584	$ 4,149

Amount of liability for non-cancelable contracts, classified as current.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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-Publisher FASB
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-SubTopic 10
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