CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY - USD ($)	Total	Streeterville	Iliad	Redeemable preferred stock	Redeemable preferred stock Streeterville	Series G convertible preferred stock	Series I convertible preferred stock	Preferred Stock Series G convertible preferred stock	Preferred Stock Series I convertible preferred stock	Preferred Stock Series I convertible preferred stock Iliad	Common Stock Common stock - voting	Common Stock Common stock - voting Streeterville	Common Stock Common stock - voting Irving	Common Stock Common stock - voting Iliad	Common Stock Common stock - non-voting	Additional paid-in capital	Additional paid-in capital Streeterville	Additional paid-in capital Irving	Additional paid-in capital Iliad	Noncontrolling Interest	Accumulated deficit	Accumulated deficit Streeterville	Accumulated other comprehensive loss	At The Market Offering	At The Market Offering Common Stock Common stock - voting	At The Market Offering Additional paid-in capital	Warrants issued and outstanding Common Stock Common stock - voting
Ending Balance, Redeemable preferred stock at Mar. 31, 2024				$ 2,485,000
Ending Balance, Redeemable preferred stock (in shares) at Mar. 31, 2024				99
Beginning Balance at Dec. 31, 2023	$ 4,897,000															$ 313,862,000				$ (64,000)	$ (308,249,000)		$ (652,000)
Beginning Balance (in shares) at Dec. 31, 2023								122	56		48,942				9
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of common stock																								$ 11,340,000		$ 11,340,000
Issuance of common stock (in shares)																									87,263
Common shares issued from conversion		$ 1,999,000	$ 836,000		$ (2,000,000)												$ 1,740,000		$ 836,000			$ 259,000
Common shares issued from conversion (in shares)					(80)			(122)		(56)	2,033	12,221		1,799													12,557
Common shares issued to third party in exchange of license agreement																1,150,000
Common shares issued to third party in exchange of license agreement (in shares)											11,111
Shares issued in exchange of notes payable and accrued interest		166,000															166,000
Shares issued in exchange of notes payable and accrued interest (in shares)												1,059		5,333
Preferred stock issued in exchange of notes payable and accrued interest					$ 4,485,000
Preferred stock issued in exchange of notes payable and accrued interest (shares)					179
Stock-based compensation	581,000															581,000
Net loss	(9,368,000)																			(142,000)	(9,226,000)
Translation gain (loss)	217,000																			26,000			191,000
Ending Balance at Mar. 31, 2024	$ 11,818,000															329,675,000				(180,000)	(317,216,000)		(461,000)
Ending Balance (in shares) at Mar. 31, 2024											182,318				9
Increase (decrease) in Stockholders' Equity (Deficit)
Preferred stock value
Issued	99					0	0
Beginning Balance, Redeemable preferred stock at Dec. 31, 2024	$ 2,485,000			$ 2,485,000
Beginning Balance, Redeemable preferred stock (in shares) at Dec. 31, 2024	99			99
Ending Balance, Redeemable preferred stock at Mar. 31, 2025	$ 2,485,000			$ 2,485,000
Ending Balance, Redeemable preferred stock (in shares) at Mar. 31, 2025	99			99
Beginning Balance at Dec. 31, 2024	$ 6,494,000															354,234,000				(791,000)	(346,482,000)		(467,000)
Beginning Balance (in shares) at Dec. 31, 2024											528,440				9
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of common stock																								$ 1,756,000		$ 1,756,000
Issuance of common stock (in shares)																									80,007
Shares issued in exchange of notes payable and accrued interest		$ 315,000	$ 1,210,000														$ 315,000	$ 1,210,000
Shares issued in exchange of notes payable and accrued interest (in shares)												51,600	14,000
Warrants	1,795,000															1,795,000
Issuance costs attributable to warrants	(183,000)															(183,000)
Stock-based compensation	301,000															301,000
Net loss	(10,596,000)																			(132,000)	(10,464,000)
Translation gain (loss)	(262,000)																			(29,000)			(233,000)
Ending Balance at Mar. 31, 2025	$ 830,000															$ 359,428,000				$ (952,000)	$ (356,946,000)		$ (700,000)
Ending Balance (in shares) at Mar. 31, 2025											674,047				9
Increase (decrease) in Stockholders' Equity (Deficit)
Preferred stock value
Issued	99					0	0