Class of Warrant or Right, Ownership Percentage After Exercise

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- Definition

Common Stock, Number of Classes of Stock

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- Definition

Sale of Stock, Authorized Amount

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- Definition

Sale of Stock, Remaining Authorized Amount

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- Definition

Stock Issued During Period, Shares, Warrants Exercised

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

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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.

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No definition available.

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Shareholders' (Deficit) Equity - Narrative (Details) $ / shares in Units, $ in Millions			1 Months Ended		2 Months Ended	12 Months Ended
	Jun. 04, 2019 USD ($) $ / shares shares	Apr. 29, 2016	Dec. 31, 2018 USD ($) shares	Oct. 31, 2017 USD ($) $ / shares shares	Aug. 31, 2018 USD ($) shares	Mar. 31, 2020 USD ($) $ / shares shares	Mar. 31, 2019 USD ($) $ / shares shares	Mar. 31, 2018 $ / shares shares	Jul. 31, 2018 $ / shares	Apr. 30, 2018 USD ($)	Feb. 02, 2016 class
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of classes of stock \| class											1
Common shares authorized (in shares)						564,111,242	564,111,242
Common shares par value (in USD per share) \| $ / shares						$ 0.000017727	$ 0.000017727
Ownership percentage after warrant exercise		12.00%
Shares issued to settle the warrant liability (in shares)								4,432
Public Equity Offering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued (in shares)	17,424,243				3,533,399
Price of shares sold (in shares) \| $ / shares	$ 8.25								$ 22.50
Net proceeds from sale of shares \| $	$ 134.5				$ 74.4
Underwriter's Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued (in shares)	2,272,727				200,065
Cowen and Company, LLC \| Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued (in shares)						106,494	3,970,129
Price of shares sold (in shares) \| $ / shares						$ 24.65	$ 21.91
Net proceeds from sale of shares \| $						$ 2.5	$ 84.1
Aggregate offering price \| $										$ 100.0
Remaining capacity in offering program \| $						$ 10.4
NovaQuest \| Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued (in shares)				138,361
Net proceeds from sale of shares \| $				$ 2.0
NovaQuest \| Private Placement, One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued (in shares)			1,082,977
Net proceeds from sale of shares \| $			$ 18.0
NovaQuest \| Private Placement, Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued (in shares)			1,203,307
Net proceeds from sale of shares \| $			$ 20.0
Tranche 1 \| Common Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of securities exercisable by warrant (in shares)				49,800
Exercise price of warrants (in USD per share) \| $ / shares				$ 15.06
Tranche 2 \| Common Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of securities exercisable by warrant (in shares)								23,910
Exercise price of warrants (in USD per share) \| $ / shares								$ 18.82