Balance Sheet Components (Additional Information) (Details) - USD ($)				3 Months Ended		9 Months Ended
	Apr. 15, 2024	May 31, 2023	Dec. 16, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Balance Sheet Components [Line Items]
Property and equipment, net				$ 3,000		$ 3,000		$ 249,000
Proceeds from disposal of assets				29,000		241,000
Proceeds From Sale Of Other Assets 1				28,000		331,000
Depreciation and amortization expense				$ 1,000	$ 15,000	$ 5,000	$ 39,000
Common stock, shares issued				10,215,000		10,215,000		8,318,000
Proceeds from Issuance of Common Stock						$ 752,000	$ 1,556,000
Private Placement
Balance Sheet Components [Line Items]
aggregate purchase price		$ 22,500,000
Future Right Recorded as Other Asset	$ 2,300,000					$ 2,100,000
Sell and purchase of its common stock, description						With respect to the second closing, the Company is obligated to sell and issue a number of shares of its common stock and the investors are obligated to buy such shares by the specified date and price equal to the volume-weighted average price of Company common stock for the five trading days prior to April 15, 2024 (“VWAP”) plus 10% of the VWAP; provided, however, that the share purchase price shall be at least equal to the closing price of the Company’s common stock on March 29, 2023.
Common stock, shares issued			649,346
Proceeds from Issuance of Common Stock			$ 7,400,000			$ 2,700,000
Equipment [Member]
Balance Sheet Components [Line Items]
Property and equipment, net								$ 125,000