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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-Section 45
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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
-Publisher FASB
-Name Accounting Standards Codification
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- References

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Number of antibodies encoded by virus.

No definition available.

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Number of antibodies.

No definition available.

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Represents the amount of first research compound payment to be received under collaborative arrangements.

No definition available.

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The amount of milestone payments to be received for licensed compound in case of first indication other than Parkinson's disease.

No definition available.

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The amount of milestone payments to be received for licensed compound in case of Parkinson's disease indication.

No definition available.

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The amount of milestone payments to be received for licensed compound for subsequent non-Parkinson's disease indication.

No definition available.

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Represents the number of additional research compounds under collaborative arrangements.

No definition available.

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The aggregate amount of specified commercial milestone payments to be received.

No definition available.

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Represents the amount of three additional research compounds payments to be received for each under collaborative arrangements.

No definition available.

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The number of Licensed Products.

No definition available.

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The number of antibodies to include in Research Period per collaboration.

No definition available.

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Represents the amount of revenue performance obligation allocation of transaction price.

No definition available.

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