Note 14 - Segment Information (Details) - Total Assets by Geographic Area (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012	Sep. 29, 2012
Total assets
Total Assets	$ 89,956	$ 84,548	$ 88,742
United States [Member]
Total assets
Total Assets	65,363	68,364
Canada [Member]
Total assets
Total Assets	23,238	14,612
Puerto Rico [Member]
Total assets
Total Assets	$ 1,355	$ 1,572