CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY - USD ($)	Warrants issued and outstanding Common Stock Common stock - voting	Warrants issued and outstanding Additional paid-in capital	At The Market Offering Common Stock Common stock - voting	At The Market Offering Additional paid-in capital	At The Market Offering	Preferred Stock Series G convertible preferred stock	Preferred Stock Series I convertible preferred stock Iliad	Preferred Stock Series I convertible preferred stock	Common Stock Series G convertible preferred stock	Common Stock Series I convertible preferred stock Iliad	Common Stock Common stock - voting Streeterville	Common Stock Common stock - voting Iliad	Common Stock Common stock - voting Irving	Common Stock Common stock - voting	Common Stock Common stock - non-voting	Additional paid-in capital Streeterville	Additional paid-in capital Iliad	Additional paid-in capital Irving	Additional paid-in capital	Noncontrolling Interest	Accumulated deficit Streeterville	Accumulated deficit	Accumulated other comprehensive loss	Redeemable preferred stock Streeterville	Redeemable preferred stock	Series J convertible preferred stock	Streeterville	Iliad	Irving	Total
Redeemable preferred stock
Preferred shares issued to Streeterville in exchange of notes payable and accrued interest																	$ 1,275,000	$ 627,000										$ 1,275,000	$ 627,000
Preferred shares issued to Streeterville in exchange of notes payable and accrued interest (in shares)												1,370,005	150,000
Common shares issued in exchange of notes payable and accrued interest (in shares)												1,370,005	150,000
Beginning Balance at Dec. 31, 2022																			$ 266,971,000	$ (699,000)		$ (266,948,000)	$ (680,000)							$ (1,356,000)
Beginning Balance (in shares) at Dec. 31, 2022														2,182,084	9
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of common stock			$ 1,000	$ 17,864,000	$ 17,865,000
Issuance of common stock (In shares)			10,463,983
Common shares issued in exchange of notes payable and accrued interest																	1,275,000	$ 627,000										1,275,000	$ 627,000
Additional investment from non-controlling interests																				1,232,000										1,232,000
Stock-based compensation																			480,000											480,000
Shares issued to other third party for services																			166,000											166,000
Shares issued to other third party for services (in shares)														9,669
Stock Issued During Period, Value, Third Party For Services																			166,000											166,000
Net loss																				(195,000)		(12,202,000)								(12,397,000)
Translation Gain (Loss)																				(28,000)			(204,000)							(232,000)
Ending Balance at Mar. 31, 2023														$ 1,000					287,383,000	310,000		(279,150,000)	(884,000)							$ 7,660,000
Ending Balance (in shares) at Mar. 31, 2023														14,175,741	9
Beginning Balance, Redeemable preferred stock (in shares) at Dec. 31, 2023																														0
Redeemable preferred stock
Preferred shares issued to Streeterville in exchange of notes payable and accrued interest												$ 1,000				$ 166,000	835,000							$ 4,485,000			$ 166,000	836,000
Preferred shares issued to Streeterville in exchange of notes payable and accrued interest (in shares)											1,587,632	8,000,000												179
Common shares issued in exchange of notes payable and accrued interest (in shares)											1,587,632	8,000,000												179
Common shares issued from conversion	$ 2,000	$ (2,000)									$ 2,000					1,738,000					$ 259,000			$ (2,000,000)			1,999,000
Common shares issued from conversion(in shares)	18,837,500					(122)	(56)		3,050,000	2,696,456	18,333,333													(80)
Ending Balance, Redeemable preferred stock at Mar. 31, 2024																									$ 2,485,000					$ 2,485,000
Ending Balance, Redeemable preferred stock (in shares) at Mar. 31, 2024																									99	99				99
Beginning Balance at Dec. 31, 2023														$ 7,000	$ 9				313,854,000	(64,000)		(308,248,000)	(652,000)							$ 4,897,000
Beginning Balance (in shares) at Dec. 31, 2023						122		56						73,413,248
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of common stock			$ 13,000	$ 11,327,000	$ 11,340,000
Issuance of common stock (In shares)			130,894,636
Common shares issued from conversion	$ 2,000	$ (2,000)									$ 2,000					1,738,000					$ 259,000			$ (2,000,000)			1,999,000
Common shares issued to third party in exchange of license agreement														$ 2,000					1,148,000											1,150,000
Common shares issued to third party in exchange of license agreement (in shares)														16,666,666
Common shares issued in exchange of notes payable and accrued interest												$ 1,000				$ 166,000	$ 835,000							$ 4,485,000			$ 166,000	$ 836,000
Stock-based compensation																			581,000											581,000
Net loss																				(142,000)		(9,226,000)								(9,368,000)
Translation Gain (Loss)																				26,000			191,000							217,000
Ending Balance at Mar. 31, 2024														$ 27,000	$ 9				$ 329,647,000	$ (180,000)		$ (317,215,000)	$ (461,000)							$ 11,818,000
Ending Balance (in shares) at Mar. 31, 2024														273,479,471