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Note 11 - Income Taxes (Details Textual) - USD ($)	3 Months Ended
	Dec. 24, 2017	Sep. 29, 2019	Sep. 30, 2018
Tax Cuts and Jobs Act, Change in Tax Rate, Income Tax Expense (Benefit), Total	$ (24,872,000)
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		$ 14,019,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued		848,000	$ 563,000
Deferred Tax Asset, Interest Carryforward		4,255,000
Deferred Tax Assets, Operating Loss Carryforwards, Total		41,610,000	41,663,000
State and Local Jurisdiction [Member]
Unrecognized Tax Benefits Related to Net Operating Loss		10,665,000	$ 10,312,000
Operating Loss Carryforwards, Total		63,338,000
Deferred Tax Assets, Operating Loss Carryforwards, Total		50,037,000
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards, Total		$ 0

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- Definition

Amount of unrecognized tax benefits related to net operating loss.

+ References

No definition available.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward.

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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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