CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Preferred Stock Series A-1 Preferred Stock	Preferred Stock Series A-2 Preferred Stock	Additional Paid In Capital	Accumulated Deficit
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
Balance at Dec. 31, 2024	2,063	$ 2			922,507	(920,446)
Balance (in shares) at Dec. 31, 2024		1,601,252
Stock-based compensation	140				140
Shares issued as consideration for board service fees ( in shares)		38,269
Shares issued as consideration for board service fees	112				112
Sale of Series A-1 preferred stock (in shares)			500
Sale of Series A-1 preferred stock	500				500
Issuance of prefunded warrants in registered direct offering	913				913
Issuance of common stock in registered direct offering, net of offering cost	998				998
Issuance of common stock in registered direct offering, net of offering cost (in shares)		338,725
Reclassification of Warrant Liability to equity	209				209
Exercise of prefunded warrants		96,500
Sale of Series A-2 preferred stock (in shares)				850
Sale of Series A-2 preferred stock	850				850
Net loss	(2,124)					(2,124)
Balance at Jun. 30, 2025	3,661	$ 2			926,229	(922,570)
Balance (in shares) at Jun. 30, 2025		2,074,746	500	850
Balance at Mar. 31, 2025	1,058	$ 2			922,575	(921,519)
Balance (in shares) at Mar. 31, 2025		1,601,252
Stock-based compensation	72				72
Shares issued as consideration for board service fees ( in shares)		38,269
Shares issued as consideration for board service fees	112				112
Sale of Series A-1 preferred stock (in shares)			500
Sale of Series A-1 preferred stock	500				500
Issuance of prefunded warrants in registered direct offering	913				913
Issuance of common stock in registered direct offering, net of offering cost	998				998
Issuance of common stock in registered direct offering, net of offering cost (in shares)		338,725
Reclassification of Warrant Liability to equity	209				209
Exercise of prefunded warrants		96,500
Sale of Series A-2 preferred stock (in shares)				850
Sale of Series A-2 preferred stock	850				850
Net loss	(1,051)					(1,051)
Balance at Jun. 30, 2025	$ 3,661	$ 2			$ 926,229	$ (922,570)
Balance (in shares) at Jun. 30, 2025		2,074,746	500	850