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- Definition

Cash received as due under collaboration agreement.

+ References

No definition available.

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- Definition

Development and sales milestones payments.

+ References

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Per share or per unit amount of equity securities issued.

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No definition available.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent Events - Additional Information (Detail)		1 Months Ended		12 Months Ended
Subsequent Events - Additional Information (Detail)	Oct. 03, 2018	Nov. 30, 2018 USD ($)	Oct. 31, 2018 USD ($) Target $ / shares shares	Sep. 30, 2018 USD ($) $ / shares	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)
Subsequent Event [Line Items]
Stock issued, price per share \| $ / shares				$ 5.25
Proceeds from the issuance of common stock				$ 56,585,035	$ 12,419,119	$ 52,231,433
Subsequent Event \| Common Stock Purchase Agreement \| Janssen
Subsequent Event [Line Items]
Agreement date	Oct. 03, 2018
Subsequent Event \| Common Stock Purchase Agreement \| JJDC
Subsequent Event [Line Items]
Shares issued \| shares			3,260,869
Stock issued, price per share \| $ / shares			$ 23.00
Proceeds from the issuance of common stock			$ 75,000,000
Subsequent Event \| License Agreement \| Janssen
Subsequent Event [Line Items]
Agreement date	Oct. 03, 2018
Subsequent Event \| License Agreement \| Janssen \| Maximum
Subsequent Event [Line Items]
Development and sales milestone payments			1,600,000,000
Subsequent Event \| Research Collaboration and Option Agreement \| Janssen
Subsequent Event [Line Items]
Agreement date	Oct. 03, 2018
Subsequent Event \| Collaboration and License agreements \| JJDC
Subsequent Event [Line Items]
Cash received as due under collaboration agreement		$ 175,000,000	175,000,000
Proceeds from the issuance of common stock			$ 75,000,000
Subsequent Event \| Collaboration Agreement \| Janssen
Subsequent Event [Line Items]
Number of additional targets for development and sales milestone payments \| Target			3
Subsequent Event \| Collaboration Agreement \| Janssen \| Maximum
Subsequent Event [Line Items]
Development and sales milestone payments			$ 1,900,000,000