CONCENTRATION OF RISK (Tables)

6 Months Ended

Jun. 30, 2015

Risks and Uncertainties [Abstract]

Revenues and accounts receivable from our largest non-government customers

Revenues and accounts receivable from the Company's largest non-government customers were as follows (in thousands):

	% of Revenues for the three months ended June 30,		% of Revenues for the six months ended June 30,		Accounts Receivable as of
Customer	2015	2014	2015	2014	June 30, 2015
A	74%	62%	63%	52%	$	7,770
B	18%	14%	21%	18%	$	6,905
C	3%	16%	8%	22%	$	923

Revenues by geographic area

Revenues by geographic area are as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
Country	2015		2014		2015		2014
South Korea	53,842		49,262		76,064		72,218
Japan	2,866		10,903		10,626		24,961
Other non-U.S. locations	867		3,798		1,883		4,456
Total non-U.S. locations	$	57,575	$	63,963	$	88,573	$	101,635
United States	517		164		742		330
Total revenue	$	58,092	$	64,127	$	89,315	$	101,965

Long-lived assets (net) by geographic area

Long-lived assets (net), by geographic area are as follows (in thousands):

	June 30, 2015		December 31, 2014
United States	$	20,788	$	19,763
Other	117		159
Total long-lived assets	$	20,905	$	19,922