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Note 6 - Acquisitions (Details) (USD $)
3 Months Ended
Mar. 29, 2014
Note 6 - Acquisitions (Details) [Line Items]  
Payments to Acquire Businesses, Gross $ 300,000
Maximum [Member] | BGA [Member]
 
Note 6 - Acquisitions (Details) [Line Items]  
Business Combination, Contingent Consideration, Liability $ 2,700,000