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SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended |  | 0 Months Ended | 12 Months Ended
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Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Sep. 30, 2011 | Jun. 30, 2011 | Mar. 31, 2011 | Dec. 31, 2010 | Sep. 30, 2010 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010 | Feb. 28, 2011 | Jun. 19, 2011 United Therapeutics Corporation [Member] Licensing Agreements [Member] | Jun. 30, 2012 United Therapeutics Corporation [Member] Licensing Agreements [Member] | Jun. 30, 2012 Stock Options and Shares Employees [Member] | Jun. 30, 2012 Stock Options and Shares Directors and Officers [Member] | Jun. 30, 2012 Restricted Shares and Restricted Share Units [Member] | Jun. 30, 2011 Restricted Shares and Restricted Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeiture rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% | 0.00% |  |
Granted, weighted-average grant date fair value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2.54 | $ 1.91
Grants received | $ 9,412 |  |  |  | $ 6,256 |  |  |  | $ 9,412 | $ 6,256 |  | $ 244 |  |  |  |  |  |
Severance expense |  |  |  |  |  |  |  |  | 275 | 225 | 134 |  |  |  |  |  |  |
Derivative fair value asset (liability) | (138) |  |  |  | 7 |  |  |  | (138) | 7 |  |  |  |  |  |  |  |
Revenue [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration receivable if certain regulatory milestones are reached |  |  |  |  |  |  |  |  |  |  |  |  | 37,500 |  |  |  |  |
Deferred revenue for intangible asset |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000 |  |  |  |
Deferred revenue recognition period for intangible asset |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 years 6 months |  |  |  |
Revenues | 101 | 230 | 231 | 154 |  |  |  |  | 716 |  |  |  |  | 716 |  |  |  |
Advance payment for development costs |  |  |  |  |  |  |  |  |  |  |  |  | 2,000 |  |  |  |  |
Research and development expenses |  |  |  |  |  |  |  |  | $ 12,706 | $ 8,311 | $ 6,123 |  |  | $ 424 |  |  |  |

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