Note 5 - Stock-Based Compensation (Details) - Compensation Expense and Excess Tax Benefits Associated with Stock Options (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Note 5 - Stock-Based Compensation (Details) - Compensation Expense and Excess Tax Benefits Associated with Stock Options [Line Items]
Excess tax deficiencies (benefits)	$ (114)	$ 11	$ (445)	$ (120)
Employee Stock Option [Member]
Note 5 - Stock-Based Compensation (Details) - Compensation Expense and Excess Tax Benefits Associated with Stock Options [Line Items]
Compensation expense	$ 148	$ 132	$ 634	$ 580

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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