Stockholders' Deficit - Additional Information (Details) - USD ($)	1 Months Ended		6 Months Ended
	May 31, 2022	Mar. 31, 2022	Jun. 30, 2022	Jul. 31, 2021	Aug. 31, 2020
Class Of Stock [Line Items]
Proceeds from exercise of pre-funded warrants			$ 2,411
Employee Stock Option
Class Of Stock [Line Items]
Unrecognized compensation expense			$ 800,000
Compensation expense period expected to be recognized			2 years 4 months 13 days
Restricted Stock Units
Class Of Stock [Line Items]
Unrecognized compensation expense			$ 100,000
Compensation expense period expected to be recognized			1 year 4 months 9 days
Vested and unissued RSU awards, description			Vested and unissued awards at June 30, 2022 represents RSU awards for which the vesting date was June 30, 2022, but for which issuance of the awards occurred in July 2022.
Vested and unissued RSU awards issuance date			Jul. 31, 2022
2020 Equity Incentive Plan
Class Of Stock [Line Items]
Shares reserved for issuance					744,685
Number of shares available for issuance			545,949
2014 Equity Incentive Plan
Class Of Stock [Line Items]
Shares reserved for issuance					68,552
Number of shares available for issuance					0
2021 Inducement Plan
Class Of Stock [Line Items]
Shares reserved for issuance				300,000
Number of shares available for issuance			167,500
Common Stock
Class Of Stock [Line Items]
Conversion of Series A convertible preferred stock for common stock, shares		158,466
Series A Preferred
Class Of Stock [Line Items]
Preferred stock, shares converted		23,770
Preferred stock, shares outstanding			0
March 2022 Purchase Agreement
Class Of Stock [Line Items]
Warrant issuance, description		Each unit consists of one share of common stock (or one pre-funded warrant in lieu thereof), a common warrant to purchase one share of common stock with a term of 24 months from the issuance date, and a common warrant to purchase one share of common stock with a term of 66 months from the issuance date
Percentage Of Minimum Aggregate Number Of Shares Beneficially Owned By Holder		4.99%
Percentage Increase In Ownership Cap		9.99%
Pre Funded Warrants | March 2022 Purchase Agreement
Class Of Stock [Line Items]
Exercise price of warrants		$ 0.001
Percentage Of Minimum Aggregate Number Of Shares Beneficially Owned By Holder		9.99%
Investor | March 2022 Purchase Agreement
Class Of Stock [Line Items]
Exercise price of warrants		$ 2.062
Gross Proceeds From Issuance Of Warrants		$ 7,500,000
Number of securities called by warrants		3,244,987
Investor | Minimum | Pre Funded Warrants | March 2022 Purchase Agreement
Class Of Stock [Line Items]
Exercise price of warrants		$ 0.001
Cantor Fitzgerald And Co | March 2022 Purchase Agreement
Class Of Stock [Line Items]
Agent fee		$ 300,000
Additional transaction costs		$ 100,000
Private Placement | Investor | March 2022 Purchase Agreement
Class Of Stock [Line Items]
Exercise price of warrants			$ 2.062
Private Placement | Investor | Pre Funded Warrants | March 2022 Purchase Agreement
Class Of Stock [Line Items]
Exercise price of warrants			$ 0.001
Number of securities called by warrants			2,410,933
Private Placement | Institutional Accredited Investors | Pre Funded Warrants
Class Of Stock [Line Items]
Warrants exercised	2,410,933
Proceeds from exercise of pre-funded warrants	$ 2,411