For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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- Definition

Indicates type of cost from product sold and service rendered.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 55
-Paragraph 91
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Collaboration Agreements (Details) - USD ($) $ in Millions	12 Months Ended
Collaboration Agreements (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Collaborative Agreements
License fee expense	$ 0.2	$ 0.1	$ 0.7
Type of cost of goods sold line item	us-gaap:LicenseMember	us-gaap:LicenseMember	us-gaap:LicenseMember
Southampton
Collaborative Agreements
Potential milestone payment	$ 1.0
Amgen
Collaborative Agreements
Potential milestone payment	0.9
Yale
Collaborative Agreements
Potential milestone payment	$ 3.0