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Note 5 - Summary of Share-based Compensation Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 24, 2017	Jun. 25, 2016	Jun. 24, 2017	Jun. 25, 2016
Share-based compensation expense	$ 60	$ 209	$ 180	$ 307
The above compensation is net of tax benefits	751	470	2,060	1,427
Employee Stock Option [Member]
Share-based compensation expense	(20)	112	(165)	56
Stock Purchase Plan [Member]
Share-based compensation expense	65	96	300	248
Deferred Stock Issued To Outside Directors [Member]
Share-based compensation expense	14		42
Restricted Stock [Member]
Share-based compensation expense	$ 1	$ 1	$ 3	$ 3

X

- Definition

Represents the expense (benefit) 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.

+ References

No definition available.

+ Details

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X

- Definition

Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 20
-Section 55
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=96864182&loc=d3e11374-113907

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