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Contra research and development expense.

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Development cost reimbursement.

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Development cost reimbursement received.

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Development milestone achievement.

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Milestone payment received for achievement of regulatory development milestone.

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Number of licensed products.

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Regulatory milestone incurred based on achievement.

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Regulatory milestone payments based on achievement.

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Royalties entitled to receive after first commercial sale of applicable licensed product period.

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Royalty revenue.

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Sales milestone payments based on achievement of annual sales milestones.

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Sublicense fee owed.

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Upfront payment.

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Waived payment.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
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Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
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