CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred stock Series A Preferred Stock	Preferred stock Series B Preferred Stock	Common stock	Additional paid-in capital	Accumulated other comprehensive income/ (loss)	Accumulated deficit	Series A Preferred Stock	Series B Preferred Stock	Total
Balance at Dec. 31, 2022			$ 2	$ 784,912		$ (737,523)			$ 47,391
Balance (in shares) at Dec. 31, 2022			16,711,761
Balance (in shares, preferred) at Dec. 31, 2022	1,000,000
Increase (Decrease) in Stockholders' Equity
Net Income (Loss)						(15,714)			(15,714)
Unrealized gain (loss) on available-for-sale marketable securities					$ 6				6
Issuance of common stock resulting from vesting of restricted stock units (in shares)			17,658
Stock-based compensation expense				1,313					1,313
Issuance of common stock under Employee Stock Purchase Plan				29					29
Issuance of common stock under Employee Stock Purchase Plan (in shares)			6,874
Issuance of Series B Convertible Preferred Stock, net of issuance costs of $1,901 and preferred stock tranche liability of $6,940		$ 21,159
Issuance of Series B Convertible Preferred Stock, net of issuance costs of $1,901 and preferred stock tranche liability of $6,940, in shares		1,200,000
Balance at Mar. 31, 2023		$ 21,159	$ 2	786,254	6	(753,237)			33,025
Balance (in shares) at Mar. 31, 2023			16,736,293
Balance (in shares, preferred) at Mar. 31, 2023	1,000,000	1,200,000
Balance at Dec. 31, 2023		$ 21,159	$ 3	882,248	13	(824,890)			$ 57,374
Balance (in shares) at Dec. 31, 2023			25,281,150						25,281,000
Balance (in shares, preferred) at Dec. 31, 2023	1,000,000	1,200,000						1,200,000
Increase (Decrease) in Stockholders' Equity
Net Income (Loss)						(33,863)			$ (33,863)
Unrealized gain (loss) on available-for-sale marketable securities					(17)				(17)
Issuance of common stock resulting from exercise of stock options				36					36
Issuance of common stock resulting from exercise of stock options (in shares)			4,600
Issuance of common stock resulting from vesting of restricted stock units (in shares)			14,444
Stock-based compensation expense				1,483					1,483
Issuance of common stock under Employee Stock Purchase Plan				49					49
Issuance of common stock under Employee Stock Purchase Plan (in shares)			7,475
Balance at Mar. 31, 2024		$ 21,159	$ 3	$ 883,816	$ (4)	$ (858,753)			$ 25,062
Balance (in shares) at Mar. 31, 2024			25,307,669						25,308,000
Balance (in shares, preferred) at Mar. 31, 2024	1,000,000	1,200,000					1,000,000	1,200,000