CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands		Common Stock		Additional Paid-in Capital	Accumulated Deficit	Total
Balance at Dec. 31, 2022		$ 68	[1]	$ 544,372	$ (537,960)	$ 6,480
Balance (in shares) at Dec. 31, 2022	[1]	6,836,735
Increase (Decrease) in Stockholders' Equity
Stock compensation accrued (Note 14)				189		189
Shares issued under the at-the-market offering agreement, net (Note 14)		$ 1	[1]	677		678
Shares issued under the at-the-market offering agreement, net (Note 14) (in shares)	[1]	109,999
Net Income (Loss)					(3,266)	(3,266)
Balance at Mar. 31, 2023		$ 69	[1]	545,238	(541,226)	4,081
Balance (in shares) at Mar. 31, 2023	[1]	6,946,734
Balance at Dec. 31, 2023		$ 141	[1]	552,160	(547,188)	5,113
Balance (in shares) at Dec. 31, 2023	[1]	14,084,680
Increase (Decrease) in Stockholders' Equity
Stock compensation accrued (Note 14)				73		73
Stock compensation accrued (Note 14) (in shares)	[1]	(1,067)
Warrants exercised (Note 14)		$ 5	[1]	(5)
Warrants exercised (Note 14) (in shares)	[1]	488,572
Net Income (Loss)					(4,565)	(4,565)
Balance at Mar. 31, 2024		$ 146	[1]	$ 552,228	$ (551,753)	$ 621
Balance (in shares) at Mar. 31, 2024	[1]	14,572,185

[1] (1) Reflects the one-for-25 reverse stock split that became effective June 9, 2023. Refer to Note 1, Basis of Preparation of Financial Statements and Nature of Operations.