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Note 10 - Loss Per Common Share (Tables)
 6 Months Ended
Jul. 02, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
Three Months Ended
 
 
Six Months Ended
 
 
 
July 
2
,
 
 
July
3
,
 
 
July
2
,
 
 
July
3
,
 
 
 
201
7
 
 
201
6
 
 
201
7
 
 
201
6
 
 
 
(Unaudited)
 
 
(Unaudited)
 
Loss attributable to stockholders:
                                
Net loss as reported
   $
(3,147
)
   $
(5,203
)
   $
(6,455
)
   $
(10,302
)
Less distributed and undistributed earnings allocable to restricted award holders
    
0
      
0
      
0
      
0
  
Less dividends declared attributable to restricted award holders
    
0
      
0
      
0
      
0
  
Net loss allocable to common stockholders
   $
(3,147
)
   $
(5,203
)
   $
(6,455
)
   $
(10,302
)
                                 
Loss per common share attributable to stockholders:
                                
Basic
   $
(0.15
)
   $
(0.26
)
   $
(0.32
)
   $
(0.52
)
Diluted
   $
(0.15
)
   $
(0.26
)
   $
(0.32
)
   $
(0.52
)
                                 
Weighted average shares outstanding – basic
    
20,350
      
19,749
      
20,261
      
19,725
  
Weighted average additional shares assuming conversion of potential common shares
    
0
      
0
      
0
      
0
  
Weighted average shares outstanding – diluted
    
20,350
      
19,749
      
20,261
      
19,725