Convertible Preferred Stock and Common Stock Warrants - February 2023 Offering (Details) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Feb. 17, 2023 USD ($) $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) $ / shares shares
Class of Warrant or Right [Line Items]
Common stock, shares issued (in shares) | shares		8,441,683		8,441,683		8,242,009
Common stock, par value (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001		$ 0.0001
Proceeds from issuance of preferred stock, net of $295 of paid transaction costs				$ 29,793	$ 0
Warrants exercised | shares				0
Payments of stock issuance costs				$ 295
Preferred stock issuance costs		$ 253
General and administrative		$ 6,124	$ 9,492	$ 14,990	$ 19,769
February 2023 Warrants
Class of Warrant or Right [Line Items]
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, net of $295 of paid transaction costs	$ 30,000
Exercise price of warrant (in dollars per share) | $ / shares	$ 4.66
Aggregate estimated fair value of warrants	$ 26,133
Net proceeds from issuance of warrants	$ 3,867
Series A Convertible Preferred Stock
Class of Warrant or Right [Line Items]
Temporary equity, shares issued (in shares) | shares	30,000	30,000		30,000		0
Temporary equity, par value (in dollars per share) | $ / shares		$ 0.0001		$ 0.0001		$ 0.0001
Convertible preferred stock, conversion ratio	145.7726
Liquidation preference	$ 1	$ 30,000		$ 30,000		$ 30,000
Accrued stock issuance costs		1,963		$ 1,963
General and administrative		$ 1,710