Note 6 - Stock-Based Compensation - Compensation Expense and Excess Tax Benefits Associated with Stock Options (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Dec. 27, 2014	Dec. 28, 2013
Stock options:
Excess tax benefits		$ (86)
Employee Stock Option [Member]
Stock options:
Compensation expense	$ 173	$ 165

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

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-Name Accounting Standards Codification

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

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