CONCENTRATION OF RISK, Revenues and Accounts Receivable (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Concentration Risk [Line Items]
Total revenue	$ 29,987,000	$ 11,252,000	$ 42,607,000	$ 20,853,000
Accounts receivable	9,580,000		9,580,000		10,727,000
Government Contracts Concentration Risk [Member]
Concentration Risk [Line Items]
Total revenue	4,000	12,000,000	6,000	16,000
Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Total revenue	75,000	47,000	65,000	46,000
Geographic Concentration Risk [Member]
Concentration Risk [Line Items]
Total revenue	96,000,000	87,000
Total Revenue [Member]
Concentration Risk [Line Items]
Total revenue	1,200	1,400	2,400	3,300
Accounts Receivable [Member]
Concentration Risk [Line Items]
Total revenue			$ 5,367,000