Note 11 - Income Taxes (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Nov. 24, 2012	Nov. 26, 2011
Note 11 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Operating Loss Carryforwards, Domestic			$ 6,341
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation	313
Years Company Remained in Cumulative Loss Position			3 years
Valuation Allowance, Deferred Tax Asset, Change in Amount	(136)	18,704	17,464
Effect of Change in Deferred Tax Assets Valuation Allowance on Basic Earnings Per Share (in Dollars per share)		$ 1.70
Effect of Change in Deferred Tax Assets Valuation Allowance on Diluted Earnings Per Share (in Dollars per share)		$ 1.69
Deferred Tax Assets, Valuation Allowance	1,044	908
Income Taxes Paid, Net	2,723	2,010	3,651
Unrecognized Tax Benefits, Excluding Interest and Penalties	1,497	1,228
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	239	175
Unrecognized Tax Benefits Interest Expense Recovery	(23)	(63)
Unrecognized Tax Benefits, Interest on Income Taxes Expense			67
Unrecognized Tax Benefits Income Tax Penalties Expense Recovery	(31)	(57)	(46)
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	140	164
Unrecognized Tax Benefits, Income Tax Penalties Accrued	10	40
State and Local Jurisdiction [Member]
Note 11 - Income Taxes (Details) [Line Items]
Deferred Tax Assets, Valuation Allowance	1,044	908
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration	$ 29,211