Note 7 - Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 01, 2016	Oct. 03, 2015
Customer Relationships [Member]
Weighted-Average Useful Life	20 years	20 years
Gross Value	$ 6,500	$ 6,500
Accumulated Amortization	(693)	(369)
Net Book Value	$ 5,807	$ 6,131
Technology-Based Intangible Assets [Member]
Weighted-Average Useful Life	20 years	20 years
Gross Value	$ 1,800	$ 1,800
Accumulated Amortization	(192)	(102)
Net Book Value	$ 1,608	$ 1,698
Noncompete Agreements [Member]
Weighted-Average Useful Life	4 years 292 days	4 years 292 days
Gross Value	$ 3,577	$ 3,577
Accumulated Amortization	(1,929)	(1,186)
Net Book Value	1,648	2,391
Gross Value	11,877	11,877
Accumulated Amortization	(2,814)	(1,657)
Net Book Value	$ 9,063	$ 10,220

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

+ Details

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- Details

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- Details

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