Stockholders' Equity (Details) - USD ($)	Dec. 02, 2022	Sep. 30, 2023	Mar. 16, 2023	Mar. 15, 2023	Sep. 30, 2022
Class Of Stock [Line Items]
Common stock, par value (in dollars per share)		$ 0.001	$ 0.001		$ 0.001
Common stock, shares authorized (in shares)		290,000,000	290,000,000	145,000,000	145,000,000
Common stock, shares issued (in shares)		107,312,000			105,960,000
Common stock, shares outstanding (in shares)		107,312,000			105,960,000
Preferred stock, par value (in dollars per share)		$ 0.001			$ 0.001
Preferred stock, shares authorized (in shares)		5,000,000			5,000,000
Preferred stock, shares issued (in shares)		0			0
Preferred stock, shares outstanding (in shares)		0			0
ATM Agreement
Class Of Stock [Line Items]
Shares issued		0
ATM Agreement | Maximum
Class Of Stock [Line Items]
Common stock shares value reserved for future issuance	$ 250,000,000
Percentage of commission to sales agent	3.00%
2004 Equity Incentive Plan, 2013 Equity Incentive Plan, 2021 Equity Incentive Plan and Inducement Grants
Class Of Stock [Line Items]
Common stock reserved for issuance (in shares)		12,709,837			14,000,392