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Business Combination - Consideration Transferred (Details) - OMT, Inc. $ / shares in Units, $ in Thousands | Jan. 08, 2016 USD ($) $ / shares shares
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Business Acquisition [Line Items] |
Cash consideration | $ 96,006
Total share consideration: |
Actual number of shares issued (shares) | shares | 790,163
Multiplied by: Ligand closing share price on January 8, 2016 | $ / shares | $ 97.92
Total share consideration | $ 77,373
Total consideration | $ 173,379

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