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CONCENTRATION OF RISK, Long-Lived Assets by Geographic Area (Details) (USD $) In Thousands, unless otherwise specified |  |  | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013 | Mar. 31, 2014 Supplier Concentration Risk [Member] supplier | Mar. 31, 2014 UNITED STATES | Dec. 31, 2013 UNITED STATES | Mar. 31, 2014 Other [Member] | Dec. 31, 2013 Other [Member]
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Total long-lived assets | $ 15,004 | $ 14,893 |  | $ 14,792 | $ 14,660 | $ 212 | $ 233
Number of suppliers from which chemical materials were purchased |  |  | 1 |  |  |  |

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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
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