Class of warrant or rights exercised.

No definition available.

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- Definition

Gross proceeds from issuance of private placement.

+ References

No definition available.

+ Details

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- Definition

Pre-funded warrants outstanding.

+ References

No definition available.

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- Definition

Warrant price per share.

+ 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.

+ References

No definition available.

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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 each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

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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

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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

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-Topic 230
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- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

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- Definition

Number of new stock issued during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 210
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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Jul. 30, 2019	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Class Of Stock [Line Items]
Gross proceeds from private placement	$ 59,977
Warrants outstanding		2,295,699	2,295,699	0
Private Placement [Member]
Class Of Stock [Line Items]
Offering costs	$ 2,079
Common Stock [Member] \| Private Placement [Member]
Class Of Stock [Line Items]
Stock issued and sold	10,607,525
Stock price per share	$ 4.65
Pre-Funded Warrants [Member]
Class Of Stock [Line Items]
Warrants exercised		0
Pre-Funded Warrants [Member] \| Private Placement [Member]
Class Of Stock [Line Items]
Warrants to purchase common stock	2,295,699
Warrants price per share	$ 4.64
Warrants exercisable for common stock	1
Exercise price of warrant	$ 0.01