Stockholders' Equity (Details) - USD ($)	Dec. 02, 2022	Jun. 30, 2023	Apr. 27, 2023	Apr. 26, 2023	Mar. 16, 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)		107,102,000				105,960,000
Common stock, shares outstanding (in shares)		107,102,000				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
At The Market Agreement
Class Of Stock [Line Items]
Shares issued		0
At The Market 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, share reserve for issuance (in shares)		12,914,571				14,000,392