Stockholders' Equity - Additional Information (Details) - USD ($)			3 Months Ended		12 Months Ended
	Apr. 15, 2024	Dec. 16, 2022	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2023
Common stock issued upon exercise of warrants			0
Proceeds from exercise of warrants			$ 1,000	$ 7,000
Common stock, shares issued			11,350,460			10,397,000
Common stock, shares outstanding			11,350,460			10,397,000
Issuance of common stock				752,000
Issuance of common stock for services			$ 469,000	41,000
Proceeds from issuance of common stock			0	$ 752,000
Fair value			$ 0			$ 3,800,000
Private Placement [Member]
Common stock, shares issued		649,346
Proceeds from issuance of common stock		$ 7,400,000
Private Placement [Member] | Investors [Member]
Common stock, shares issued		649,346
Proceeds from issuance of common stock		$ 7,400,000
Restricted Stock Units (RSUs) [Member]
Common stock upon conversion of restricted stock units				23,000
License Expenses [Member]
Issuance of common stock, shares			91,000
Issuance of common stock			$ 250,000
Professional Services [Member]
Issuance of common stock for services, shares			82,000
Issuance of common stock for services			$ 219,000
Individual Investors [Member]
Share sold			126,503
Proceeds from issuance of common stock			$ 751,000
Professional Services 1 [Member]
Issuance of common stock for services, shares				12,000
Issuance of common stock for services				$ 41,000
Forecast [Member] | Private Placement [Member]
Common stock purchase price	$ 22,500,000
Future right recorded as other asset	$ 2,300,000
Non-voting Common Stock | Private Placement [Member]
Warrants exercise price					$ 0.14
Common stock warrants issued					104,000
Executive Officer [Member]
Common stock upon conversion of restricted stock units				19,000
Director [Member]
Common stock upon conversion of restricted stock units				2,000
Other Employees [Member]
Common stock upon conversion of restricted stock units				2,000
Warrant [Member]
Proceeds from exercise of warrants			$ 1,000
Issuance of common stock, shares			780,000
Share price			$ 0.001
Warrant [Member] | Securities Purchase Agreement [Member]
Common stock issued upon exercise of warrants			780,000	51,000
Proceeds from exercise of warrants			$ 1,000	$ 7,000
Warrants exercise price			$ 0.001	$ 0.14