COMMITMENTS AND CONTINGENCIES (Details 2) (Spanish subsidiary, Breach of grant requirements, USD $) In Thousands, unless otherwise specified	3 Months Ended
Sep. 30, 2013	Dec. 31, 2013
Spanish subsidiary \| Breach of grant requirements
Commitments and contingencies
Grants repaid	$ 1,558
Accrual for potential breach of grant requirements		1,071
Additional potential repayments, minimum		0
Additional potential repayments, maximum		$ 4,000

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Amount of loss contingency liability.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

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Amount of payments made reducing loss contingency liability.

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The estimated maximum amount of possible loss from the contingency.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

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-Section 50

-Paragraph 9

-Subparagraph (b)

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The estimated minimum amount of possible loss from the contingency.

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