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Note 10 - (Loss) Income Per Common Share (Tables)
9 Months Ended
Oct. 01, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
   
Nine
Months Ended
 
   
October 1
,
   
October 2
,
   
October 1
,
   
October 2
,
 
   
201
7
   
201
6
   
201
7
   
201
6
 
   
(Unaudited)
   
(Unaudited)
 
(
Loss) income attributable to stockholders:
                               
Net
(loss) income as reported
  $
(3,133
)
  $
20,993
    $
(9,588
)
  $
10,691
 
Less distributed and undistributed earnings allocable to restricted award holders
   
0
     
(737
)
   
0
     
(331
)
Net
(loss) income allocable to common stockholders
  $
(3,133
)
  $
20,256
    $
(9,588
)
  $
10,360
 
(
Loss) income per common share attributable to stockholders:
                               
Basic
  $
(0.15
)
  $
1.02
    $
(0.47
)
  $
0.52
 
Diluted
  $
(0.15
)
  $
1.02
    $
(0.47
)
  $
0.52
 
Weighted average shares outstanding
– basic
   
20,397
     
19,834
     
20,305
     
19,761
 
Weighted average additional shares assuming conversion of potential common shares
   
0
     
0
     
0
     
0
 
Weighted average shares outstanding
– diluted
   
20,397
     
19,834
     
20,305
     
19,761