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GENERAL (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended
--- | --- | --- | --- | ---
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 | Jun. 19, 2011 United Therapeutics Corporation [Member] Licensing Agreements [Member] | Aug. 31, 2011 United Therapeutics Corporation [Member] Licensing Agreements [Member]
GENERAL [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated losses | $ (65,747) |  |  |  | $ (50,953) |  |  |  | $ (65,747) | $ (50,953) |  |  |
Net loss | (4,135) | (4,171) | (1,992) | (4,493) | (3,725) | (2,613) | (2,821) | (1,689) | (14,794) | (10,848) | (7,453) |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from intangible assets |  |  |  |  |  |  |  |  |  |  |  |  | 7,000
Nonrefundable deposit on intangible asset |  |  |  |  |  |  |  |  |  |  |  | 5,000 |
Advance payment for development costs |  |  |  |  |  |  |  |  |  |  |  | 2,000 |
Contingent consideration receivable if certain regulatory milestones are reached |  |  |  |  |  |  |  |  |  |  |  | 37,500 |
Maximum amount of reimbursement expenses if certain milestones reached |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 |

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