Convertible Preferred Stock, Tranche Liability and Warrant Liability - Additional Information (Detail)		6 Months Ended
	Jun. 17, 2021 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 22, 2021 $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Nov. 20, 2020 $ / shares shares	Oct. 19, 2018 $ / shares shares
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Shares Issued		28,232,672		19,877,219
Proceeds from convertible preferred stock | $		$ 30,031,000
Series A -1 Convertible Preferred Stock Warrant Liability [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Class of warrants or rights number of shares covered by warrants or rights						447,426
Class of warrants or rights term						10 years
Class of warrants or right exercise price per share | $ / shares						$ 2.794
Class of warrants or rights expiry date						Oct. 18, 2028
Fair value of warrant liability per share | $ / shares			$ 12.02	$ 0.85
Underlying Equity Value [Member] | Series B Convertible Preferred Stock Tranche Rights Liability [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Financial liabilities at fair value | $	$ 81,190,000			$ 5,033,000
Series A-1 Redeemable Convertible Preferred Stock [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Shares Issued		7,985,305		7,537,879
Class of warrants or rights number of shares covered by warrants or rights			447,426
Class of warrants or right exercise price per share | $ / shares			$ 2.794
Prospective Conversion of Temporary Equity into Permanent Equity [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Number of times the redeemable convertible preferred stock equal to the share issue price		2
Sale of stock issue price per share | $ / shares		$ 7.60
Percentage of votes in terms of shareholding needed for conversion into permanent equity		67.00%
Prospective Conversion of Temporary Equity into Permanent Equity [Member] | Minimum [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Proceeds from initial public offer | $		$ 75,000,000
Private Placement [Member] | Series B Redeemable Convertible Preferred Stock [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Shares Issued					19,770,070
Temporary equity par or stated value per share | $ / shares					$ 0.0001
Temporary equity issue price per share | $ / shares					$ 3.80
Private Placement [Member] | Series B Redeemable Convertible Preferred Stock [Member] | Closing of Milestone [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Temporary equity issue price per share | $ / shares	$ 3.80
Temporary equity shares issued during the period shares	7,908,027
Proceeds from convertible preferred stock | $	$ 30,000,000
Private Placement [Member] | Series B Redeemable Convertible Preferred Stock [Member] | Initial Closing [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Shares Issued					11,862,043
Private Placement [Member] | Series B Redeemable Convertible Preferred Stock [Member] | Achievement of Milestone [Member]
Convertible Preferred Stock Tranche Liability And Warrant Liability [Line Items]
Temporary equity milestone shares					7,908,027