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COMMITMENTS AND CONTINGENCIES (Narrative)(Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
COMMITMENTS AND CONTINGENCIES [Abstract] |  |  |
Aggregate research and development participation | $ 22,368 |  |
Participation rate | 60.00% |  |
Royalty expense | 609 | 265 | 130
Contingent liability | $ 19,787 | $ 17,517 |
Minimum [Member] |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Royalty rates | 3.00% |  |
Maximum [Member] |  |  |
Research and Development Arrangement, Contract to Perform for Others [Line Items] |  |  |
Royalty rates | 3.50% |  |
Royalties payable, percent of grants received | 100.00% |  |

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- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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