Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders' Equity - USD ($) $ in Thousands	Preferred stock Series X redeemable convertible preferred stock	Common stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive loss	Total
Beginning balance at Dec. 31, 2022	$ 96,398	$ 28	$ 632,512	$ (507,643)	$ (79)	$ 221,216
Beginning balance (in shares) at Dec. 31, 2022	31,455	27,501,340
Increase (Decrease) in Shareholders' Equity
Issuance of common stock upon the conversion of preferred stock	$ (1,074)		1,074
Issuance of common stock upon the conversion of preferred stock (in shares)	(348)	57,910
Issuance of common stock upon exercise of options and warrants			37			37
Issuance of common stock upon exercise of options and warrants (in shares)		427,468
Stock-based compensation expense			1,220			1,220
Unrealized gain (loss) on short-term investments					75	75
Net Loss				(11,188)		(11,188)
Ending balance at Mar. 31, 2023	$ 95,324	$ 28	634,843	(518,831)	(4)	211,360
Ending balance (in shares) at Mar. 31, 2023	31,107	27,986,718
Beginning balance at Dec. 31, 2023	$ 95,324	$ 41	728,285	(580,534)		243,116
Beginning balance (in shares) at Dec. 31, 2023	31,107	41,034,797
Increase (Decrease) in Shareholders' Equity
Issuance of common stock pursuant to an underwriting agreement, net of underwriter's discount and issuance costs		$ 10	117,162			117,172
Issuance of common stock pursuant to an underwriting agreement, net of underwriter's discount and issuance costs (in shares)		10,340,000
Issuance of common stock for at-the-market offerings, net of issuance costs		$ 3	19,999			20,002
Issuance of common stock for at-the-market offerings, net of issuance costs (in shares)		2,945,806
Issuance of common stock upon exercise of options and warrants		$ 1	4,632			4,633
Issuance of common stock upon exercise of options and warrants (in shares)		582,458
Stock-based compensation expense			2,754			2,754
Unrealized gain (loss) on short-term investments					(14)	(14)
Net Loss				(19,928)		(19,928)
Ending balance at Mar. 31, 2024	$ 95,324	$ 55	$ 872,832	$ (600,462)	$ (14)	$ 367,735
Ending balance (in shares) at Mar. 31, 2024	31,107	54,903,061