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STOCK BASED COMPENSATION (Details 5) | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Minimum |  |  |
Stock based compensation, additional disclosures |  |  |
Forfeiture rate (as a percent) | 0.00% |  |
Maximum |  |  |
Stock based compensation, additional disclosures |  |  |
Forfeiture rate (as a percent) | 30.00% |  |
Stock options |  |  |
Stock based compensation, additional disclosures |  |  |
Number of Federal Reserve securities whose weighted average is used for calculation of weighted average risk-free interest rate | 2 |  |
Restricted Stock Units |  |  |
Stock based compensation, additional disclosures |  |  |
Granted (in shares) |  | [1] | 85,097
[1] | Includes 85,097 restricted stock units issued that will vest upon the fulfillment of certain clinical and financial conditions.

X
- Definition Represents the number of Federal Reserve securities whose weighted average is used for calculation of weighted average risk-free interest rate. + References No definition available. + Details
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X
- Definition Represents the forfeiture rate used to estimate the pre-vesting option forfeitures. + References No definition available. + Details
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- Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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