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Stockholders' Equity - Additional Information (Details) - USD ($)							12 Months Ended
	Apr. 07, 2021	Feb. 11, 2021	Dec. 18, 2020	Oct. 28, 2020	Oct. 21, 2020	Jul. 23, 2020	Jun. 30, 2021	Jun. 30, 2020	Sep. 11, 2021
Class Of Stock [Line Items]
Common stock, par value							$ 0.001	$ 0.001
Gross proceeds before deducting placement agent’s fees and related offering expenses	$ 37,300,000
Description of listing compliance							On September 11, 2020, the Company received a notice from the Listing Qualifications Department of the Nasdaq Stock Market LLC (“Nasdaq”) stating that it was not in compliance with the required stockholder’s equity of $2.5 million.
Stockholder's equity							$ 61,207,000	$ 625,000	$ 2,500,000
Maximum
Class Of Stock [Line Items]
Stockholder's equity								$ 2,500,000
Underwritten Public Offering
Class Of Stock [Line Items]
Issuance of common stock registered direct offering	21,639,851
Common stock offering price per share	$ 1.50
Over-Allotment Option | Maximum
Class Of Stock [Line Items]
Issuance of common stock registered direct offering	3,245,977
Placement Agent
Class Of Stock [Line Items]
Common stock offering price per share	$ 1.395
Percentage of underwriting discount price per share	7.00%
Option to purchase for period from date of underwriting agreement	30 days
Second Purchase Agreement
Class Of Stock [Line Items]
Common stock, par value		$ 0.001			$ 0.001
Common Stock
Class Of Stock [Line Items]
Issuance of common stock registered direct offering							39,585,000	1,806,000
Common Stock | Second Purchase Agreement
Class Of Stock [Line Items]
Issuance of common stock registered direct offering		2,845,535		2,887,906	7,826,086
Common stock offering price per share		$ 3.25		$ 2.15	$ 2.30
Gross proceeds before deducting placement agent’s fees and related offering expenses		$ 9,250,000		$ 6,200,000	$ 18,000,000
Common Stock | At-the-Market Offering Agreement
Class Of Stock [Line Items]
Issuance of common stock registered direct offering			1,139,323
Gross proceeds before deducting placement agent’s fees and related offering expenses			$ 3,600,000
Common Stock | At-the-Market Offering Agreement | Maximum
Class Of Stock [Line Items]
Common stock issuable aggregate offering price			$ 3,582,614
Warrants
Class Of Stock [Line Items]
Warrants issued							2,393,000	86,000
Warrants | Placement Agent
Class Of Stock [Line Items]
Warrants issued	1,493,150
Percentage of shares sold in offering	6.00%
Exercise price of warrants	$ 1.875
Warrants maturity term	5 years
Warrants | Second Purchase Agreement | Placement Agent
Class Of Stock [Line Items]
Warrants issued		170,732		173,274		469,565
Percentage of shares sold in offering		6.00%		6.00%		6.00%
Exercise price of warrants		$ 4.0625		$ 2.6875		$ 2.875
Percentage of per share offering price of shares		125.00%		125.00%		125.00%
Warrants maturity date		Feb. 11, 2026		Oct. 28, 2025		Oct. 21, 2025
Fair value per share of warrants		$ 2.94		$ 1.80		$ 2.01

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