Equity - Issue and Conversion (Details) - USD ($)			9 Months Ended
	Jun. 26, 2023	Mar. 29, 2023	Sep. 30, 2023	Sep. 30, 2022	Jun. 28, 2023	Dec. 31, 2016
Total cost of offering	$ 215,000
Placement agent fee (as a percent)	6.00%
Proceeds from issuance of common stock, net of issuance costs			$ 3,694,000	$ 1,050,000
June 2023 Private Placement
Expiration term of warrant	5 years
ATM Agreement
Aggregate number of common stock sold (Shares)			308,930
Aggregate value of securities allowed under agreement		$ 10,000,000.0			$ 3,000,000.0	$ 5,000,000.0
Sale price (in dollars per shares)			$ 6.19
Proceeds from issuance of common stock, net of issuance costs			$ 1,839,000
Amortization of deferred cost			45,000	$ 70,000
Unamortized deferred cost			0
Aggregate securities allowed under agreement (in shares)						10,000,000
Commission rate (as a percent)		3.00%
Common shares available for issuance			$ 3,000,000.0