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Note 10 - Per Share Data (Tables)
3 Months Ended
Mar. 29, 2014
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares [Table Text Block]
   

Thirteen Week Periods Ended

 
   

March 29,

2014

   

March 30,

2013

 
                 

Basic weighted average shares outstanding

    12,455,004       12,311,066  

Dilutive effect of outstanding stock options

    184,634       71,711  
                 

Weighted average dilutive shares outstanding

    12,639,638       12,382,777  
Unissued Shares of Common Stock [Table Text Block]
   

March 29,

2014

   

December 28,

2013

 
                 

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