Net Loss per Share - Additional Information (Detail)	1 Months Ended
Jun. 30, 2019 $ / shares shares
Common Stock
Number of shares sold \| shares	6,340,771
Pre-Funded Warrants
Warrants to purchase shares of common stock \| shares	2,548,117
Warrants exercise price per share \| $ / shares	$ 9.00
Warrants exercise price per share paid at closing of offering \| $ / shares	$ 8.99

Class of warrant or right exercise price of warrants paid at closing of offering.

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- Definition

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

+ References

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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.

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- Definition

Number of new stock issued during the period.

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