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CONCENTRATION OF RISK | 12 Months Ended
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Dec. 31, 2016
Risks And Uncertainties [Abstract] |
CONCENTRATION OF RISK |
17. | CONCENTRATION OF RISK:
Included in technology development and support revenue in the accompanying consolidated statements of income is $156,000, $185,000, and $118,000 for the years ended December 31, 2016, 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 approximately less than 1% of the consolidated revenue for the years ended December 31, 2016, 2015, and 2014, respectively. Revenues and accounts receivable from the Company's largest customers for the years ended December 31 were as follows (in thousands):
|  | 2016 |  |  | 2015 |  |  | 2014 |
Customer |  | % of Total Revenue |  |  | Accounts Receivable |  |  | % of Total Revenue |  |  | Accounts Receivable |  |  | % of Total Revenue |  |  | Accounts Receivable |
A |  |  | 63% |  |  | $ | 12,050 |  |  |  | 62% |  |  | $ | 13,355 |  |  |  | 54% |  |  | $ | 8,550 |
B |  |  | 28% |  |  |  | 9,128 |  |  |  | 25% |  |  |  | 8,477 |  |  |  | 19% |  |  |  | 7,598 |
C |  |  | 4% |  |  |  | 1,427 |  |  |  | 1% |  |  |  | 1,564 |  |  |  | 1% |  |  |  | 540 |
Revenues from outside of North America represented approximately 98%, 99%, and 99% of the consolidated revenue for the years ended December 31, 2016, 2015, and 2014, respectively. Revenues by geographic area are as follows (in thousands):
|  | Year Ended December 31, |
Country |  | 2016 |  |  | 2015 |  |  | 2014 |
South Korea |  | $ | 181,771 |  |  | $ | 168,267 |  |  | $ | 141,922 |
China |  |  | 7,180 |  |  |  | 2,685 |  |  |  | 1,260 |
Japan |  |  | 4,310 |  |  |  | 16,542 |  |  |  | 44,903 |
Other non-U.S. locations |  |  | 1,849 |  |  |  | 2,334 |  |  |  | 2,240 |
Total non-U.S. locations |  | $ | 195,110 |  |  | $ | 189,828 |  |  | $ | 190,325 |
United States |  |  | 3,776 |  |  |  | 1,218 |  |  |  | 706 |
Total revenue |  | $ | 198,886 |  |  | $ | 191,046 |  |  | $ | 191,031 |
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):
|  | 2016 |  |  | 2015 |
United States |  | $ | 26,917 |  |  | $ | 22,187 |
Other |  |  | 286 |  |  |  | 220 |
Total long-lived assets |  | $ | 27,203 |  |  | $ | 22,407 |
Substantially all chemical materials were purchased from one supplier. See Note 11.

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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 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6327-108592 Reference 2: 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=73719730&loc=d3e13531-108611 Reference 3: 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=64851502&loc=d3e6404-108592 Reference 4: 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=64851502&loc=d3e6442-108592 Reference 5: 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=64851502&loc=d3e6351-108592 Reference 6: 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=73719730&loc=d3e13537-108611 + Details
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