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MAJOR CUSTOMERS (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Customer
Jun. 30, 2012
Customer
Dec. 31, 2012
Customer
Revenue, Major Customer [Line Items]      
Number of major commercial customers contributed to revenue 3 3  
Number of large commercial customers accounted for major share in costs and estimated earnings in excess of billings on uncompleted contracts 4   4
Number of large customers included in accounts receivable of entity 3   3
U.S. Government [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of revenue accounted by major customers (in hundredths) 1.00% 9.00%  
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths) 1.50%   3.20%
Customer A [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of revenue accounted by major customers (in hundredths) 27.00% 38.00%  
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths) 41.00%   39.00%
Percentage of accounts receivable from major customers (in hundredths) 32.00%   36.00%
Customer B [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of revenue accounted by major customers (in hundredths) 22.00% 19.00%  
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths) 19.00%   22.00%
Percentage of accounts receivable from major customers (in hundredths) 28.00%   30.00%
Customer C [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of revenue accounted by major customers (in hundredths) 19.00% 15.00%  
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths) 15.00%   14.00%
Percentage of accounts receivable from major customers (in hundredths) 25.00%   21.00%
Customer D [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths) 11.00%   13.00%