Note 16 - Income Taxes (Details) - Deferred Tax Assets (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2014
Dec. 29, 2013
Deferred tax assets:    
Accounts payable and accrued expenses $ 3,775 $ 4,371
Deferred rent 9,911 10,046
Net state operating loss carryforwards 2,923 3,623
Tax credit carryforwards 6,236 7,364
Property and equipment 10,589 9,209
Other 335 423
Total gross deferred tax assets 33,769 35,036
Less valuation allowance (947) (1,108)
Net deferred tax assets 32,822 33,928
Deferred tax liabilities:    
Intangible assets (3,993) (4,346)
Total gross deferred tax liabilities (3,993) (4,346)
Net deferred tax assets $ 28,829 $ 29,582