CONCENTRATION OF RISK

6 Months Ended

Jun. 30, 2015



14.	CONCENTRATION OF RISK:

Included in technology development and support revenue in the accompanying statement of operations is $31,000 and $48,000 for the three months ended June 30, 2015 and 2014, respectively, and $43,000 and $117,000 for the six months ended June 30, 2015 and 2014, respectively, of revenue which was derived from contracts with United States government agencies. Revenues derived from contracts with United States government agencies represented less than 1% of the consolidated revenue for all periods presented.

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 from outside of North America represented approximately 99% of the consolidated revenue for both the three months ended June 30, 2015 and 2014, and approximately 99% of the consolidated revenue for both the six months ended June 30, 2015 and 2014. 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

The Company attributes revenue to different geographic areas on the basis of the location of the customer.

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

Substantially all chemical materials were purchased from one supplier. See Note 8.