CONCENTRATION OF RISK (Tables)

9 Months Ended

Sep. 30, 2016

Risks And Uncertainties [Abstract]

Revenues and accounts receivable from our largest customers

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

	% of Revenues for the three months ended September 30,				% of Revenues for the nine months ended September 30,				Accounts Receivable as of
Customer	2016		2015		2016		2015		September 30, 2016
A		45%		48%		33%		29%	$	10,262
B		36%		39%		57%		56%	$	6,117
C		7%		2%		5%		1%	$	3,235

Revenues by geographic area

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

	Three Months Ended September 30,				Nine Months Ended September 30,
Country	2016		2015		2016		2015
South Korea	$	24,852	$	34,514	$	111,994	$	110,547
China		2,095		843		5,663		1,523
Japan		1,230		3,274		3,334		13,931
Other non-U.S. locations		396		523		1,416		1,726
Total non-U.S. locations	$	28,573	$	39,154	$	122,407	$	127,727
United States		1,641		265		1,902		1,007
Total revenue	$	30,214	$	39,419	$	124,309	$	128,734

Long-lived assets (net) by geographic area

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

	September 30, 2016		December 31, 2015
United States	$	25,621	$	22,187
Other		147		220
Total long-lived assets	$	25,768	$	22,407