Note 11 - Deferred Compensation (Details Textual) - USD ($)	12 Months Ended
Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Per Year [Member] \| Founder [Member]
Deferred Compensation Arrangement with Individual, Cash Award Granted, Amount	$ 114,000
One-time Charge From Reduction In Disccount Rate [Member]
Deferred Compensation Arrangement with Individual, Compensation Expense			$ 40,000
Fair Value Inputs, Discount Rate	6.00%	6.00%	6.00%	8.00%
Deferred Compensation Arrangement with Individual, Compensation Expense	$ 32,000	$ 37,000	$ 94,000

Amount of commitment made to pay deferred cash remuneration.

No definition available.

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- Definition

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 30
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363

+ Details

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Details

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- Details

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