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Note 9 - Income Taxes (Detail) - Temporary Differences That Gave Rise to Deferred Tax Assets and Liabilities (USD $)
In Thousands, unless otherwise specified
Dec. 29, 2012
Dec. 31, 2011
Deferred tax assets:    
Deferred revenue $ 4,676 $ 4,711
Accrued rents 1,884 2,414
Net operating loss carryforwards 4,336 1,770
Intangible assets 1,799 1,837
Deferred compensation 2,089 2,218
Carryforward of tax credits 4,585 2,251
Receivable write-offs 641 840
Stock compensation 179 179
Depreciation 1,871 743
Other 2,054 1,925
24,114 18,888
Less: Valuation allowance 20,865 16,126
Total deferred tax assets 3,249 2,762
Deferred tax liabilities:    
Other (2,321) (1,925)
Total deferred tax liabilities (2,321) (1,925)
Net deferred tax asset $ 928 $ 837