Consolidated Statements of Stockholders' Equity/(Deficit) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Deficit	Private Placement Offerings	Private Placement Offerings Common Stock	Private Placement Offerings Additional Paid-in Capital
Balance at Dec. 31, 2021	$ 7,412	$ 0	$ 307,284	$ (11)	$ (299,861)
Balance, Shares at Dec. 31, 2021		146,676		5
Issuance of Common Shares						$ 17,051		$ 17,051
Issuance of Common Shares, Shares							90,856
Stock-based compensation	545		545
Net loss	(19,815)				(19,815)
Balance at Dec. 31, 2022	5,193	$ 0	324,880	$ (11)	(319,676)
Balance, Shares at Dec. 31, 2022		237,532		5
Issuance of common stock and pre-funded warrants	4,971		4,971
Issuance of common stock and pre-funded warrants, Shares		542,857
Issuance of Common Shares	1,278		1,278			$ 6,024		$ 6,024
Issuance of Common Shares, Shares		18,146					94,087
Stock-based compensation	474		474
Net loss	(20,251)				(20,251)
Balance at Dec. 31, 2023	$ (2,311)	$ 0	$ 337,627	$ (11)	$ (339,927)
Balance, Shares at Dec. 31, 2023		892,622		5