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Commitments and Contingencies - Research Funding Payments (Details) - Sponsored Research Agreement - Broad - USD ($) $ in Millions	1 Months Ended
	Jun. 30, 2018	Sep. 30, 2018
Commitments and contingencies
First research funding amount due and payable		$ 5.0
Second research funding amount due and payable		$ 7.5
Promissory notes issued	$ 12.5
Research Funding Payments
Commitments and contingencies
First research funding amount due and payable	5.0
Second research funding amount due and payable	$ 7.5

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- Definition

The first research funding amount which is due and payable.

+ References

No definition available.

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- Definition

The first research funding amount due and payable

+ References

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- Definition

The increase (decrease) during the reporting period in current portion (due within one year or one business cycle) of obligations evidenced by formal promissory notes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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