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CONCENTRATION OF RISK, Long-Lived Assets by Geographic Area (Details) (USD $) In Thousands, unless otherwise specified			6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Supplier Concentration Risk [Member] supplier	Jun. 30, 2014 UNITED STATES	Dec. 31, 2013 UNITED STATES	Jun. 30, 2014 Other [Member]	Dec. 31, 2013 Other [Member]
Segment Reporting Information [Line Items]
Total long-lived assets	$ 16,973	$ 14,893		$ 16,778	$ 14,660	$ 195	$ 233
Number of suppliers from which chemical materials were purchased			1

X

- Definition

The number of suppliers from which all chemical materials were purchased.

+ References

No definition available.

+ Details

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X

- 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

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