Notes Payable - Additional Information (Details) - USD ($)		1 Months Ended			3 Months Ended			9 Months Ended
	Aug. 31, 2022	Jun. 30, 2022	Oct. 31, 2020	Aug. 31, 2020	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Aug. 10, 2020
Debt Instrument [Line Items]
(Loss) gain on extinguishments of debt, net					$ 0		$ (236,000)	$ 0	$ 259,000
Commercial revenues					$ 0		$ 200,000	$ 5,442,000	$ 1,466,000
Debt instrument, maturity date				Aug. 31, 2050
2020 Notes
Debt Instrument [Line Items]
Convertible debt			$ 25,000,000
Debt instrument, interest rate, effective percentage			16.00%							50.00%
Refinanced notes payable			$ 3,000,000
Debt instrument revised interest rate			6.00%			50.00%
Debt instrument, interest rate, increase (decrease)			16.00%
2020 Notes
Debt Instrument [Line Items]
Debt Instrument Outstanding Principal And Accrued Interest	$ 1,400,000
Non-voting common stock percentage	15.00%
Long-term debt, gross	$ 250,000
Debt instrument,outstanding principal and accrued interest	$ 1,400,000
Non-voting common, shares, issued	59,000
Debt instrument, interest rate, increase (decrease)	6.00%
Other Notes Payable
Debt Instrument [Line Items]
Long-term debt, gross		$ 379,000
Fixed interest rate					12.00%			12.00%
Debt instrument, interest rate, increase (decrease)		6.00%	13.00%
Small Business Administration Loan
Debt Instrument [Line Items]
Fixed interest rate				3.75%
Loan proceeds				$ 150,000