CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	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	2,550		2,550
Issuance of common stock, net of expenses	92		92
Issuance of common stock, net of expenses, (in shares)		1,442
Net loss	(27,297)			(27,297)
Balance at Sep. 30, 2023	13,900	$ 2	921,822	(907,924)
Balance (in shares) at Sep. 30, 2023		1,604,180
Balance at Jun. 30, 2023	21,650	$ 2	921,096	(899,448)
Balance (in shares) at Jun. 30, 2023		1,604,180
Stock-based compensation	726		726
Net loss	(8,476)			(8,476)
Balance at Sep. 30, 2023	13,900	$ 2	921,822	(907,924)
Balance (in shares) at Sep. 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	354		354
Net loss	(3,937)			(3,937)
Balance at Sep. 30, 2024	2,724	$ 2	922,426	(919,704)
Balance (in shares) at Sep. 30, 2024		1,601,252
Balance at Jun. 30, 2024	3,771	$ 2	922,346	(918,577)
Balance (in shares) at Jun. 30, 2024		1,601,252
Stock-based compensation	80		80
Net loss	(1,127)			(1,127)
Balance at Sep. 30, 2024	$ 2,724	$ 2	$ 922,426	$ (919,704)
Balance (in shares) at Sep. 30, 2024		1,601,252