CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid In Capital	Accumulated Deficit
Balance at Dec. 31, 2022	$ 38,555	$ 2	$ 919,180	$ (880,627)
Balance (in shares) at Dec. 31, 2022		1,602,738
Stock-based compensation	1,824		1,824
Issuance of common stock, net of expenses	92		92
Issuance of common stock, net of expenses, (in shares)		1,442
Net loss	(18,821)			(18,821)
Balance at Jun. 30, 2023	21,650	$ 2	921,096	(899,448)
Balance (in shares) at Jun. 30, 2023		1,604,180
Balance at Mar. 31, 2023	29,509	$ 2	920,182	(890,675)
Balance (in shares) at Mar. 31, 2023		1,604,180
Stock-based compensation	914		914
Net loss	(8,773)			(8,773)
Balance at Jun. 30, 2023	21,650	$ 2	921,096	(899,448)
Balance (in shares) at Jun. 30, 2023		1,604,180
Balance at Dec. 31, 2023	6,307	$ 2	922,072	(915,767)
Balance (in shares) at Dec. 31, 2023		1,601,252
Stock-based compensation	274		274
Net loss	(2,810)			(2,810)
Balance at Jun. 30, 2024	3,771	$ 2	922,346	(918,577)
Balance (in shares) at Jun. 30, 2024		1,601,252
Balance at Mar. 31, 2024	4,798	$ 2	922,244	(917,448)
Balance (in shares) at Mar. 31, 2024		1,601,252
Stock-based compensation	102		102
Net loss	(1,129)			(1,129)
Balance at Jun. 30, 2024	$ 3,771	$ 2	$ 922,346	$ (918,577)
Balance (in shares) at Jun. 30, 2024		1,601,252