Convertible Preferred Stock and Common Stock Warrants - February Offerings (Details) $ / shares in Units, $ in Thousands			3 Months Ended
	Feb. 25, 2024 USD ($) $ / shares shares	Feb. 17, 2023 USD ($) $ / shares shares	Mar. 31, 2024 USD ($) $ / shares shares	Mar. 31, 2023 USD ($)	Dec. 31, 2023 $ / shares shares
Class of Warrant or Right [Line Items]
Common stock, shares issued (in shares) | shares			9,014,403		8,797,456
Common stock, par value (in dollars per share) | $ / shares			$ 0.0001		$ 0.0001
Proceeds from issuance of preferred stock			$ 9,092	$ 30,000
Warrants exercised | shares			0
Net proceeds from issuance of preferred stock and warrants	$ 9,250
Preferred stock issuance costs			$ 102
General and administrative			$ 6,050	$ 8,866
Series A Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Temporary equity, shares issued (in shares) | shares		30,000	27,450		28,628
Temporary equity, par value (in dollars per share) | $ / shares			$ 0.0001		$ 0.0001
Common stock, shares issued (in shares) | shares		7,871,712
Common stock, par value (in dollars per share) | $ / shares		$ 0.0001
Proceeds from issuance of preferred stock		$ 30,000
Convertible preferred stock, conversion ratio		145.7726
Liquidation preference		$ 1
Number of securities called by each warrant (in shares) | shares		1
Exercise price of warrant (in dollars per share) | $ / shares		$ 4.66
Warrants exercised | shares			0
Aggregate estimated fair value of warrants		$ 26,133
Net proceeds from issuance of preferred stock and warrants		$ 3,867
Accrued stock issuance costs			$ 1,963
Preferred stock issuance costs			253
General and administrative			$ 1,710
Series B Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Temporary equity, shares issued (in shares) | shares	9,250		9,250		0
Temporary equity, par value (in dollars per share) | $ / shares	$ 0.0001		$ 0.0001		$ 0.0001
Common stock, shares issued (in shares) | shares	1,799,021
Common stock, par value (in dollars per share) | $ / shares	$ 0.0001
Proceeds from issuance of preferred stock	$ 9,250
Convertible preferred stock, conversion ratio	129.6596
Liquidation preference	$ 1
Number of securities called by each warrant (in shares) | shares	1
Exercise price of warrant (in dollars per share) | $ / shares	$ 7.7125
Warrants exercised | shares			0
Aggregate estimated fair value of warrants	$ 6,856
Net proceeds from issuance of preferred stock and warrants	$ 2,394
Accrued stock issuance costs			$ 394
General and administrative			$ 292