Statements of Changes in Stockholders' Equity (Deficit) - USD ($) $ in Thousands	Common stock Public offering	Common stock At-the-market sales	Common stock	Additional Paid-in Capital. At-the-market sales	Additional Paid-in Capital.	Accumulated Deficit	At-the-market sales	Total
Balance at Dec. 31, 2022					$ 403,157	$ (408,702)		$ (5,545)
Balance (in shares) at Dec. 31, 2022			859,402
Increase (decrease) in stockholders' equity
Share-based compensation - stock options and RSUs					498			498
Issuance of common stock				$ 1,003			$ 1,003
Issuance of common stock (in shares)		72,699
Net Income (Loss)						(5,389)		(5,389)
Balance at Mar. 31, 2023					404,658	(414,091)		(9,433)
Balance (in shares) at Mar. 31, 2023			932,101
Balance at Dec. 31, 2022					403,157	(408,702)		(5,545)
Balance (in shares) at Dec. 31, 2022			859,402
Increase (decrease) in stockholders' equity
Net Income (Loss)								(9,197)
Balance at Jun. 30, 2023					405,779	(417,900)		(12,121)
Balance (in shares) at Jun. 30, 2023			1,640,805
Balance at Mar. 31, 2023					404,658	(414,091)		(9,433)
Balance (in shares) at Mar. 31, 2023			932,101
Increase (decrease) in stockholders' equity
Share-based compensation - stock options and RSUs					482			482
Fractional shares retired as a result of reverse split					(13)			(13)
Issuance of common stock				$ 652			$ 652
Issuance of common stock (in shares)	95,000	105,342
Exercise of pre-funded warrants (in shares)			508,286
Vesting of RSUs (in shares)			76
Net Income (Loss)						(3,809)		(3,809)
Balance at Jun. 30, 2023					405,779	(417,900)		(12,121)
Balance (in shares) at Jun. 30, 2023			1,640,805
Balance at Dec. 31, 2023			$ 4		406,846	(423,168)		(16,318)
Balance (in shares) at Dec. 31, 2023			2,963,657
Increase (decrease) in stockholders' equity
Share-based compensation - stock options and RSUs					333			333
Issuance of common stock in connection with the exercise of common stock warrants, net of expenses			$ 1		4,376			4,377
Issuance of common stock in connection with the exercise of common stock warrants, net of expenses (shares)			3,892,572
Net Income (Loss)						1,284		1,284
Balance at Mar. 31, 2024			$ 5		411,555	(421,884)		(10,324)
Balance (in shares) at Mar. 31, 2024			6,856,229
Balance at Dec. 31, 2023			$ 4		406,846	(423,168)		(16,318)
Balance (in shares) at Dec. 31, 2023			2,963,657
Increase (decrease) in stockholders' equity
Net Income (Loss)								(10,590)
Balance at Jun. 30, 2024			$ 5		411,839	(433,756)		(21,912)
Balance (in shares) at Jun. 30, 2024			6,904,498
Balance at Mar. 31, 2024			$ 5		411,555	(421,884)		(10,324)
Balance (in shares) at Mar. 31, 2024			6,856,229
Increase (decrease) in stockholders' equity
Share-based compensation - stock options and RSUs					284			284
Vesting of RSUs (in shares)			48,269
Net Income (Loss)						(11,872)		(11,872)
Balance at Jun. 30, 2024			$ 5		$ 411,839	$ (433,756)		$ (21,912)
Balance (in shares) at Jun. 30, 2024			6,904,498