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Note 3 - Recent Accounting Pronouncements (Tables)
3 Months Ended
Apr. 01, 2018
Notes Tables  
Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]
   
 
 
 
 
 
 
 
 
Opening
 
   
Balance at
   
ASC 606
   
Balance at
 
   
Dec. 31, 2017
   
Adjustments
   
Jan. 1, 2018
 
Assets
                       
Inventories – net
  $
17,641
    $
(655
)   $
16,986
 
Contract assets
   
0
     
825
     
825
 
                         
Liabilities and Equity
                       
Accumulated deficit
  $
(111,591
)   $
170
    $
(111,421
)
   
As Reported
   
Impact of
   
Legacy GAAP
 
   
April 1, 2018
   
ASC 606
   
April 1, 2018
 
Net revenue
  $
19,942
    $
507
    $
19,435
 
Cost of sales
   
17,911
     
401
     
17,510
 
Gross profit
   
2,031
     
106
     
1,925
 
                         
Selling, general and administrative
   
3,148
     
0
     
3,148
 
Severance, equipment relocation and other costs
   
509
     
0
     
509
 
Operating loss
   
(1,626
)    
106
     
(1,732
)
                         
Interest expense, net
   
213
     
0
     
213
 
Other (income), net
   
(84
)    
0
     
(84
)
Loss before taxes
   
(1,755
)    
106
     
(1,861
)
                         
Income tax expense
   
40
     
0
     
40
 
                         
Net loss
  $
(1,795
)   $
106
    $
(1,901
)
   
As Reported
   
Impact of
   
Legacy GAAP
 
   
April 1, 2018
   
ASC 606
   
April 1, 2018
 
Assets
                       
Inventories – net
  $
16,579
    $
1,055
    $
17,634
 
Contract assets
   
1,331
     
1,331
     
0
 
                         
Liabilities and Equity
                       
Accumulated deficit
  $
(113,216
)   $
276
    $
(113,492
)