Stockholders' Equity - Additional Information (Detail) - USD ($)				1 Months Ended	3 Months Ended		12 Months Ended
	May 28, 2021	Feb. 24, 2021	Jan. 01, 2020	Jan. 31, 2017	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Jul. 30, 2020
Stockholders Equity [Line Items]
Common stock, shares outstanding					37,486,177		37,424,863
Convertible Preferred Stock, Shares Issued upon Conversion								18,811,552
Preferred stock, shares authorized					10,000,000
Shares Issued					0
Preferred stock, shares outstanding					10,248		10,248
Share of common stock value					$ 25,000
Weighted average exercise price					$ 6.13		$ 7.33
Stock reserved for future grant					8,240,586		6,429,819
Stock-based compensation					$ 1,772,000	$ 644,000
Stock option plan weighted average vesting period					9 years 1 month 6 days		8 years 10 months 24 days
Twenty Thousand and Sixteen Equity Incentive Plan [Member]
Stockholders Equity [Line Items]
Options granted period					10 years
2021 Equity Incentive Plan [Member]
Stockholders Equity [Line Items]
Common stock available for issuance automatic increase period			10 years
Shares of common stock available for issuance			3,771,428		2,628,571
Shares Available for Issuance					985,358
Shares Available for Future Grant					84,591
Purchase price of a share as a percentage of fair market value					100.00%
Stock Options Granted					10 years
Percentage Of Nonqualified Options Exercisable Price Of Fair Market Value Of Common Stock					100.00%
Weighted average exercise price					$ 28.18
2021 Inducement Plan [Member]
Stockholders Equity [Line Items]
Shares of common stock available for issuance					515,000
Stock reserved for future grant					1,000,000
Stock Options [Member]
Stockholders Equity [Line Items]
Stock-based compensation					$ 1,600,000	500,000
Stock option plan weighted average vesting period					3 years
Unrecognised compensation expense related to unvested units					$ 19,200,000
Incentive Stock Options [Member] | Twenty Thousand and Sixteen Equity Incentive Plan [Member]
Stockholders Equity [Line Items]
Percentage of exercise price fair value				100.00%
Nonqualified Options [Member] | Twenty Thousand and Sixteen Equity Incentive Plan [Member]
Stockholders Equity [Line Items]
Percentage of exercise price fair value				85.00%
Restricted Stock Units [Member]
Stockholders Equity [Line Items]
Stock reserved for future grant					692,408		745,668
Stock-based compensation					$ 200,000	$ 100,000
Unrecognised compensation expense related to unvested units					$ 2,500,000
Restricted Stock units plan weighted average vesting period					3 years 2 months 12 days
Minimum [Member] | Twenty Thousand and Sixteen Equity Incentive Plan [Member]
Stockholders Equity [Line Items]
Options,vesting period					0 years
Maximum [Member]
Stockholders Equity [Line Items]
Stock Options Granted					4 years
Maximum [Member] | Twenty Thousand and Sixteen Equity Incentive Plan [Member]
Stockholders Equity [Line Items]
Options,vesting period					4 years
Series E and Series F Convertible Preferred Stock [Member]
Stockholders Equity [Line Items]
Preferred stock, payment to stock holders in the event of liquidation, dissolution or winding up preference per share					$ 0.0001
Percentage of outstanding common stock					9.98%
Shares issuable upon conversion of preferred stock [Member]
Stockholders Equity [Line Items]
Stock reserved for future grant					292,799		292,799
Series E Convertible Preferred Stock [Member]
Stockholders Equity [Line Items]
Price per common share					$ 500
Preferred stock, shares outstanding					1,915
Convertible share price per share					$ 17.50
Series F Convertible Preferred Stock [Member]
Stockholders Equity [Line Items]
Price per common share					$ 600
Preferred stock, shares outstanding					8,333
Convertible share price per share					$ 21.00
Warrant [Member] | Preferred Stock Warrants [Member]
Stockholders Equity [Line Items]
Class of warrant or right, exercise price of warrants or rights									$ 0.6055
Issue of warrants exercisable									206,440
Warrant [Member] | Preferred Stock Warrants [Member] | Silicon Valley Bank [Member]
Stockholders Equity [Line Items]
Class of warrant or right, exercise price of warrants or rights									$ 5.42
Issue of warrants exercisable									23,100
Common Stock [Member]
Stockholders Equity [Line Items]
Shares Issued					37,486	37,036,000	37,425	906,000
Stock issued during period						5,173,000
Stock Issued During Period, Shares, New Issues						12,012,000
Common Stock [Member] | Common Warrants [Member]
Stockholders Equity [Line Items]
Class of warrant or right, exercise price of warrants or rights					$ 0.09			$ 0.09
Class of warrant or right issued in period of warrants or rights					250,323			250,323
Class of warrant or right issued remain unexercised					86,209
Warrant expiration period					7 years
Employee Stock Purchase Plan [Member]
Stockholders Equity [Line Items]
Shares Available for Future Grant					60,948
Purchase price of a share as a percentage of fair market value					85.00%
Duration of offering period					12 months
Duration of each purchase period					6 months
Stock reserved for future grant					60,948		60,948
Private Placement [Member] | Common Stock [Member]
Stockholders Equity [Line Items]
Proceeds from issuance initial public offering		$ 65,000,000.0
Adjustments to additional paid in capital stock issuance costs		$ 2,700,000
Stock Issued During Period, Shares, New Issues		12,012,369
Sales Agreement [Member]
Stockholders Equity [Line Items]
Common stock par value	$ 0.0001
Legal and accounting cost					$ 100,000
Sales Agreement [Member] | Maximum [Member]
Stockholders Equity [Line Items]
Potential sales of common stock	$ 50,000,000.0