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Note 2 - Prepaid Expenses and Other Assets (Details) - Prepaid Expenses and Other Current Assets - USD ($)
$ in Thousands
Jul. 04, 2015
Jan. 03, 2015
Jun. 28, 2014
Prepaid Expenses and Other Current Assets [Abstract]      
Prepaid rent $ 8,432 $ 7,848 $ 4,995
Short-term investment 895 1,121  
Other 4,846 6,642 5,399
$ 14,173 $ 15,611 $ 10,394