Notes Held for Investment (Details) $ in Thousands	1 Months Ended				3 Months Ended		4 Months Ended
	Jan. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) item	Jun. 30, 2022 USD ($) item	May 31, 2022 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total notes held for investment		$ 4,679			$ 5,072		$ 5,072
Aggregate principal amount					500
Fair value of the Debt Securities		3,679			4,072		4,072
Interest income from promissory notes					82	$ 0
Changes in fair value					107
Senior secured promissory notes
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total notes held for investment		1,000			1,000		1,000
Interest rate (as a percent)			5.00%
Number of notes receivable | item			2
Term (in years)			3 years
Aggregate principal amount			$ 1,000
Secured convertible promissory note
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total notes held for investment		3,679			4,072		4,072
Secured convertible promissory note | Mellitus
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest rate (as a percent)				10.00%
Fair value of the Debt Securities		179			214		214
Aggregate principal amount				$ 179
Secured convertible promissory note | Monarch
Accounts, Notes, Loans and Financing Receivable [Line Items]
Aggregate principal amount	$ 500	3,500					4,000
Maximum amount of available funding		5,000
Transaction fee		100
Remaining amount available to be drawn		$ 1,000
Option to extend the maturity date | item		2
Period to extend the maturity date		1 year
Fair value of the Debt Securities		$ 3,500			$ 3,858		$ 3,858
Interest rate		10.00%