Liquidity (Details) - USD ($)		1 Months Ended
	Jul. 29, 2019	Apr. 30, 2022	Jun. 30, 2021	May 31, 2021	Aug. 31, 2020	Feb. 29, 2020	Mar. 31, 2022	Dec. 31, 2021	Jul. 31, 2020	Jul. 26, 2019
Liquidity [Abstract]
Cash and cash equivalents							$ 58,881,101	$ 65,242,622
Percentage of shares of common stock that can be sold without shareholder approval	19.99%
Share price (in dollars per share)										$ 5.76
Issuance of common stock from equity transaction (in shares)	100,654
Issuance of common stock from equity transaction	$ 603,924
Shares sold under common stock purchase agreement (in shares)							0
Issuance of common stock (in shares)			6,088,235		6,900,000	10,000,000
Sales price (in dollars per share)			$ 8.50		$ 2.75	$ 1.30
Proceeds from issuance of shares			$ 51,700,000		$ 19,000,000.0	$ 13,000,000
Proceeds from issuance of shares, net of underwriting discounts and commissions			$ 48,500,000		$ 17,100,000	$ 11,900,000
Registered securities in Shelf Registration Statement available for future sale									$ 100,000,000
Proceeds from sale of tax benefits				$ 4,500,000
Shelf securities available for sale							$ 29,300,000
Subsequent Event [Member]
Liquidity [Abstract]
Proceeds from sale of tax benefits		$ 1,200,000
Over-Allotment Option [Member]
Liquidity [Abstract]
Issuance of common stock (in shares)			794,117		900,000	769,230
Minimum [Member]
Liquidity [Abstract]
Share price (in dollars per share)										$ 0.50
Maximum [Member]
Liquidity [Abstract]
Shares of common stock to be purchased (in shares)	100,000
Common stock to be purchased under common stock purchase agreement	$ 20,000,000.0
Shares of common stock that can be sold without shareholder approval (in shares)	1,034,979