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NOTE 3 - CONTRACTS (Tables)
 3 Months Ended
Mar. 28, 2015
Contractors [Abstract]  
Costs in Excess of Billings and Billings in Excess of Costs [Table Text Block] Costs, estimated earnings and billings on uncompleted contracts consisted of the following at March 28, 2015 and December 27, 2014:

   
March 28,
2015
   
December 27,
2014
 
   
(dollars in thousands)
 
Costs incurred on uncompleted contracts
 
$
49,834
   
$
52,103
 
Estimated earnings (losses) on uncompleted contracts
   
18,793
     
19,543
 
Earned revenues
   
68,627
     
71,646
 
Less: billings to date
   
73,148
     
77,932
 
Net costs and estimated earnings in excess of billings on uncompleted contracts
 
$
(4,521
)
 
$
(6,286
)
                 
Costs and estimated earnings in excess of billings on uncompleted contracts
 
$
3,806
   
$
3,546
 
Billings in excess of costs and estimated earnings on uncompleted contracts
   
(8,327
)
   
(9,832
)
Net costs and estimated earnings in excess of billings on uncompleted contracts
 
$
(4,521
)
 
$
(6,286
)