Note 4 - Balance Sheet Components - Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Trade accounts payable	$ 48,759	$ 44,350
Liability for non-cancelable contracts	8,089	6,964
Other accrued expenses	9,418	8,941
Total accounts payable and accrued expenses	$ 66,266	$ 60,255

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

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- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6935-107765

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