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Note 10 - Per Share Data (Details) - Unissued Shares of Common Stock Were Reserved For The Following Purposes
Mar. 29, 2014
Dec. 28, 2013
Unissued Shares of Common Stock Were Reserved For The Following Purposes [Abstract]    
Exercise of options outstanding 252,400 276,900
Restricted stock awards outstanding 300,000 300,000
Future grants of options or shares 34,100 34,100
Shares reserved for employee stock purchase plan 155,714 189,576
Total 742,214 800,576