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Commitments and Contingencies (Distribution Agreement with Allergan plc) (Details) - Distribution Agreement - Allergan plc - Enoxaparin - USD ($) $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Jan. 31, 2012 | May. 31, 2005 | Mar. 31, 2016 | Dec. 31, 2015
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] |  |  |  |
Proceeds from Customers |  | $ 4.5 |  |
Deferred Revenue | $ 4.5 |  | $ 1.8 | $ 2.0
Distribution Agreement With Corporate Partner, Renewal Option Period | 3 years |  |  |
Deferred Revenue, Period for Recognition | 7 years |  |  |

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