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Commitments and Contingencies (Details) - patent |  |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Mar. 26, 2015 | Mar. 24, 2015 | Sep. 30, 2015 | Dec. 31, 2014
Purdue Pharma, L. P. patent infringement suit, District of Delaware |  |  |  |
Contingencies |  |  |  |
Number of patents asserted to have been infringed |  | 4 |  |
Purdue Pharma, L. P., patent infringement suit, District of Massachusetts |  |  |  |
Contingencies |  |  |  |
Number of patents asserted to have been infringed | 4 |  |  |
Hatch-Waxman Act of 1984 election to sue for patent infringement | Maximum |  |  |  |
Contingencies |  |  |  |
Stay period before FDA can issue a final approval if patent litigation is elected |  |  | 30 months | 30 months

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- Definition Number of another entity's patents that the entity has allegedly infringed. + References No definition available. + Details
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