MAJOR CUSTOMERS (Details)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue, Major Customer [Line Items]
Number of major commercial customers contributed to revenue	4	4
Number Of Large Customers Included in Accounts Receivable Of Entity	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)	7.00%	9.00%	10.00%
Percentage of accounts receivable from major customers (in hundredths)	2.00%	5.50%
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths)	3.00%	8.00%
Customer A [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue accounted by major customers (in hundredths)	33.00%	33.00%
Percentage of accounts receivable from major customers (in hundredths)	36.00%	36.00%
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths)	39.00%	40.00%
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)	30.00%	34.00%
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths)	22.00%	21.00%
Customer C [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue accounted by major customers (in hundredths)	17.00%	14.00%
Percentage of accounts receivable from major customers (in hundredths)	21.00%	12.00%
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths)	14.00%	15.00%
Customer D [Member]
Revenue, Major Customer [Line Items]
Percentage of revenue accounted by major customers (in hundredths)	13.00%	11.00%
Percentage of costs and estimated earnings in excess of billings on uncompleted contracts accounted by major customers (in hundredths)	13.00%	13.00%