Common Stock (Details) - USD ($)		3 Months Ended		9 Months Ended		18 Months Ended
	Jul. 21, 2022	Sep. 30, 2022	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Feb. 09, 2021	May 11, 2021	Aug. 31, 2019
Sales of Stock
Proceeds from the issuance of common stock				$ 6,059,511	$ 43,193,660
2021 Sales Agreement
Sales of Stock
Maximum aggregate value of common stock available for offering							$ 75,000,000.0
Shares issued				3,925,298
Weighted average selling price per share				$ 1.49
Proceeds from the issuance of common stock				$ 5,800,000
Net proceeds from the issuance of common stock				$ 5,400,000
2019 Sales Agreement.
Sales of Stock
Maximum aggregate value of common stock available for offering								$ 75,000,000.0
Shares issued			10,244,326
Weighted average selling price per share			$ 4.22
Proceeds from the issuance of common stock			$ 43,200,000			$ 75,000,000.0
Net proceeds from the issuance of common stock			$ 42,200,000
Equity Purchase Agreement
Sales of Stock
Maximum aggregate value of common stock available for offering	$ 20,000,000.0
Shares issued		200,000		347,222
Weighted average selling price per share		$ 1.15
Proceeds from the issuance of common stock		$ 200,000
Net proceeds from the issuance of common stock		$ 100,000
Maximum time period for right to sell shares from the effective date	36 months
Maximum number of shares that may sell per day in regular purchase	150,000
Maximum number of shares that may sell per day depending upon closing price	300,000
Maximum value limit per regular purchase	$ 2,000,000.0