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COMMITMENTS AND CONTINGENCIES - Litigation (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) product
Commitments and contingencies |
Accrued loss contingencies | $ | $ 60
TCCC |
Commitments and contingencies |
Number of energy products developed | product | 3

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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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