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Note 9 - Per Share Data (Tables)
6 Months Ended
Jul. 02, 2022
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
  

Thirteen Weeks Ended

  

Twenty-Six Weeks Ended

  

July 2,

2022

  

July 3,

2021

  

July 2,

2022

  

July 3,

2021

Basic weighted average shares outstanding

  10,133,279   11,141,518   10,181,895   11,340,453

Dilutive effect of outstanding restricted share units

  417,617   390,804   401,624   410,893

Weighted average dilutive shares outstanding

  10,550,896   11,532,322   10,583,519   11,751,346
Unissued Shares of Common Stock [Table Text Block]
  

July 2,

2022

  

January 1,

2022

Time-based restricted stock units outstanding

  319,195   420,628

Performance-based restricted stock units outstanding

  75,000   125,000

Performance-based restricted stock units outstanding

under plans to be approved by the shareholders

  25,000   -

Future grants of options or shares

  46,182   107,924

Shares reserved for employee stock purchase plan

  410,977   448,110
        

Total

  876,354   1,101,662