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CONCENTRATION OF RISK
 6 Months Ended
Jun. 30, 2013
Risks and Uncertainties [Abstract]  
CONCENTRATION OF RISK
CONCENTRATION OF RISK

Included in technology development and support revenue in the accompanying statements of operations is $232,000 and $1.2 million for the three months ended June 30, 2013 and 2012, respectively, and $861,000 and $2.4 million for the six months ended June 30, 2013 and 2012, 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% and 4% of the consolidated revenue for the three months ended June 30, 2013 and 2012, respectively, and 1% and 6% of the consolidated revenue for the six months ended June 30, 2013 and 2012, respectively.

Revenues for the three months ended June 30, 2013 and 2012, and accounts receivable as of June 30, 2013, from our largest non-government customers were as follows:
 
 
% of Total Revenue
 
Accounts Receivable
(in thousands)
Customer
 
2013
 
2012
 
June 30, 2013
 A
 
73%
 
75%
 
$9,605
 B
 
19%
 
6%
 
2,263




Revenues for the six months ended June 30, 2013 and 2012, were as follows:
 
 
% of Total Revenue
 
 
Customer
 
2013
 
2012
 
 
 A
 
65%
 
65%
 
 
 B
 
20%
 
8%
 
 


Revenues from outside of North America represented 99% and 96% of consolidated revenue for the three months ended June 30, 2013 and 2012, respectively. Revenues by geographic area are as follows (in thousands):

Country
2013
 
2012
United States
$
329

 
$
1,284

South Korea
38,458

 
23,560

Japan
10,485

 
4,137

Taiwan
52

 
732

Other
35

 
274

All foreign locations
49,030

 
28,703

Total revenue
$
49,359

 
$
29,987


Revenues from outside of North America represented 98% and 94% of consolidated revenue for the six months ended June 30, 2013 and 2012, respectively. Revenues by geographic area are as follows (in thousands):

Country
2013
 
2012
United States
$
1,084

 
$
2,558

South Korea
47,802

 
30,953

Japan
15,097

 
6,703

Taiwan
218

 
1,989

Other
134

 
404

All foreign locations
63,251

 
40,049

Total revenue
$
64,335

 
$
42,607



The Company attributes revenue to different geographic areas on the basis of the location of the customer.
 
Long-lived assets (net) by geographic area at June 30, 2013 and December 31, 2012 are as follows (in thousands):

 
June 30, 2013
 
December 31, 2012
United States
$
13,630

 
$
11,512

Other
274

 
296

Total long-lived assets
$
13,904

 
$
11,808


 
All chemical materials were purchased from one supplier. See Note 7.