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MAJOR CUSTOMERS (Details)
9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
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  
U.S. Government [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of revenue accounted by major customers (in hundredths) 8.00% 10.00%  
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths) 4.50%   7.50%
Customer A [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of revenue accounted by major customers (in hundredths) 34.00% 31.00%  
Percentage of accounts receivable from major customers (in hundredths) 33.00%   36.00%
Customer B [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of revenue accounted by major customers (in hundredths) 18.00% 30.00%  
Percentage of accounts receivable from major customers (in hundredths) 29.00%   34.00%
Customer C [Member]
     
Revenue, Major Customer [Line Items]      
Percentage of revenue accounted by major customers (in hundredths) 16.00% 13.00%  
Percentage of accounts receivable from major customers (in hundredths) 22.00%   12.00%
Customer One [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) 42.00%   40.00%
Customer Two [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) 22.00%   21.00%
Customer Three [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) 15.00%   15.00%
Customer Four [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%