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CONCENTRATION OF RISK | 3 Months Ended
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Mar. 31, 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 $629,000 and $1.2 million for the three months ended March 31, 2013 and 2012, respectively, which was derived from contracts with United States government agencies. Revenues derived from contracts with United States government agencies represented 4% and 9% of the consolidated revenue for the three months ended March 31, 2013 and 2012, respectively. Revenues for the three months ended March 31, 2013 and 2012, and accounts receivable as of March 31, 2013, from our largest non-government customers were as follows:
|  | % of Total Revenue |  | Accounts Receivable (in thousands)
Customer |  | 2013 |  | 2012 |  | March 31, 2013
A |  | 42% |  | 42% |  | $4,829
B |  | 21% |  | 12% |  | 1,260
C |  | 19% |  | 13% |  | 2,822
Revenues from outside of North America represented 95% and 90% of consolidated revenue for the three months ended March 31, 2013 and 2012, respectively. Revenues by geographic area are as follows (in thousands):
Country | 2013 |  | 2012
United States | $ | 755 |  |  | $ | 1,274 |
South Korea | 9,344 |  |  | 7,393 |
Japan | 4,612 |  |  | 2,566 |
Taiwan | 166 |  |  | 1,257 |
Other | 99 |  |  | 130 |
All foreign locations | 14,221 |  |  | 11,346 |
Total revenue | $ | 14,976 |  |  | $ | 12,620 |
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 March 31, 2013 and December 31, 2012 are as follows (in thousands):
| March 31, 2013 |  | December 31, 2012
United States | $ | 12,225 |  |  | $ | 11,512 |
Other | 287 |  |  | 296 |
Total long-lived assets | $ | 12,512 |  |  | $ | 11,808 |
All chemical materials were purchased from one supplier. See Note 7.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15A -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6442-108592 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 21, 22, 24 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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