Potential future regulatory and commercial milestone payments maximum.

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- Definition

Research and development licenses.

+ References

No definition available.

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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ 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 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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- Definition

Amount of cash outflow reducing loss contingency liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14326-108349

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

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Research and Development Licenses (Details) - USD ($)		3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
Research and Development Licenses (Details) - USD ($)	Jun. 27, 2012	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Research And Development Licenses [Line Items]
Research and development expense		$ 5,558,000	$ 8,598,000	$ 6,189,000	$ 4,827,000	$ 4,837,000	$ 5,697,000	$ 6,176,000	$ 6,335,000	$ 11,016,000	$ 12,511,000	$ 19,614,000	$ 18,208,000	$ 25,172,000	$ 23,045,000
General and administrative expense		$ 1,817,000	$ 2,290,000	$ 3,311,000	$ 2,994,000	$ 2,712,000	$ 3,295,000	$ 2,620,000	$ 2,880,000	$ 6,305,000	$ 5,500,000	$ 8,595,000	$ 8,795,000	10,412,000	11,507,000
Licensing Agreements
Research And Development Licenses [Line Items]
Research and development expense														0	20,000
General and administrative expense														93,000	$ 74,000
Accrual for future payments														$ 0
UNC License Agreement
Research And Development Licenses [Line Items]
License agreement payment in regulatory and commercial milestones (up to)	$ 425,000