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NOTE 2 - CONTRACTS (Tables)
 3 Months Ended
Mar. 26, 2016
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 26, 2016 and December 26, 2015:

   
March 26,
2016
   
December 26,
2015
 
   
(dollars in thousands)
 
Costs incurred on uncompleted contracts
 
$
54,729
   
$
67,488
 
Estimated earnings (losses) on uncompleted contracts
   
22,237
     
27,492
 
Earned revenues
   
76,966
     
94,980
 
Less: billings to date
   
77,394
     
94,830
 
Net costs and estimated earnings in excess of billings on uncompleted contracts
 
$
(428
)
 
$
150
 
                 
Costs and estimated earnings in excess of billings on uncompleted contracts
 
$
3,520
   
$
4,062
 
Billings in excess of costs and estimated earnings on uncompleted contracts
   
(3,948
)
   
(3,912
)
Net costs and estimated earnings in excess of billings on uncompleted contracts
 
$
(428
)
 
$
150