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NOTE 3 - CONTRACTS (Tables)
9 Months Ended
Sep. 26, 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 September 26, 2015 and December 27, 2014:

   
September 26,
2015
   
December 27,
2014
 
   
(dollars in thousands)
 
Costs incurred on uncompleted contracts
  $ 51,897     $ 52,103  
Estimated earnings (losses) on uncompleted contracts
    19,921       19,543  
Earned revenues
    71,818       71,646  
Less: billings to date
    74,871       77,932  
Net costs and estimated earnings in excess of billings on uncompleted contracts
  $ (3,053 )   $ (6,286 )
                 
Costs and estimated earnings in excess of billings on uncompleted contracts
  $ 2,386     $ 3,546  
Billings in excess of costs and estimated earnings on uncompleted contracts
    (5,439 )     (9,832 )
Net costs and estimated earnings in excess of billings on uncompleted contracts
  $ (3,053 )   $ (6,286 )