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Business Segments and Major Customers (Details 2) (USD $)
In Thousands, unless otherwise specified
Apr. 04, 2015
Jan. 03, 2015
Segment Reporting Information [Line Items]    
Long-Lived Assets $ 2,552us-gaap_NoncurrentAssets $ 1,903us-gaap_NoncurrentAssets
United States [Member]    
Segment Reporting Information [Line Items]    
Long-Lived Assets 2,318us-gaap_NoncurrentAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_NorthAmericaMember		 1,673us-gaap_NoncurrentAssets
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_NorthAmericaMember
United Kingdom [Member]    
Segment Reporting Information [Line Items]    
Long-Lived Assets $ 234us-gaap_NoncurrentAssets
/ us-gaap_StatementBusinessSegmentsAxis
= country_GB		 $ 230us-gaap_NoncurrentAssets
/ us-gaap_StatementBusinessSegmentsAxis
= country_GB