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Note 4 - Accounts Receivable, Transit Accounts Receivable and Transit Accounts Payable (Details Textual) - USD ($) $ in Thousands | Dec. 28, 2019 | Dec. 29, 2018
--- | --- | ---
Accounts Receivable, after Allowance for Credit Loss, Current, Total | $ 59,760 | $ 52,335
Loss Contingency, Receivable, Ending Balance | 14,100 | 8,900
Loss Contingency, Estimate of Possible Loss | 10,300 |
Collectibility of Receivables [Member] |  |
Loss Contingency, Estimate of Possible Loss | 10,300 |
Transit Accounts Payable [Member] |  |
Accounts Payable, Current, Total | 4,600 | 2,500
Transit Accounts Receivable [Member] |  |
Accounts Receivable, before Allowance for Credit Loss, Current | 4,900 | 2,600
Accounts Receivable, after Allowance for Credit Loss, Current, Total | 300 | $ 100
Transit Accounts Payable [Member] |  |
Accounts Payable, Current, Total | $ 4,600 |

X
- Definition Carrying value as of the balance sheet date of liabilities 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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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