CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY - USD ($)	At The Market Offering Common Stock Common stock - voting	At The Market Offering Additional paid-in capital	At The Market Offering	Pipe financing Additional paid-in capital	Pipe financing Series G convertible preferred stock	Pipe financing	Preferred Stock Series H convertible preferred stock Irving	Preferred Stock Irving	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	Accumulated other comprehensive loss	Series G convertible preferred stock	Series H convertible preferred stock Streeterville	Series H convertible preferred stock Irving	Series H convertible preferred stock	Streeterville	Iliad	Irving	Total
Beginning Balance at Dec. 31, 2021																$ 231,105,000	$ 242,000	$ (219,494,000)									$ 11,853,000
Beginning Balance (in shares) at Dec. 31, 2021											644,700	9
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of common stock		$ 11,564,000	$ 11,564,000													95,000											95,000
Issuance of common stock (In shares)	357,530										2,323
Shares issued in exchange of notes payable and accrued interest														$ 4,700,000											$ 4,700,000
Shares issued in exchange of notes payable and accrued interest (in shares)									130,582
Shares issued to third party for services																19,000											19,000
Shares issued to third party for services (in shares)											466
Stock-based compensation																2,080,000											2,080,000
Net loss																	(201,000)	(27,353,000)									(27,554,000)
Translation Loss																											0
Ending Balance at Jun. 30, 2022																249,563,000	41,000	(246,847,000)									2,757,000
Ending Balance (in shares) at Jun. 30, 2022											1,135,601	9
Beginning Balance at Mar. 31, 2022																245,526,000	64,000	(237,480,000)									8,110,000
Beginning Balance (in shares) at Mar. 31, 2022											1,027,652	9
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of common stock		2,453,000	2,453,000
Issuance of common stock (In shares)	90,244
Shares issued in exchange of notes payable and accrued interest														467,000											467,000
Shares issued in exchange of notes payable and accrued interest (in shares)									15,249
Shares issued upon exercise of restricted stock units																95,000											95,000
Shares issued upon exercise of restricted stock units (in shares)											2,323
Shares issued to third party for services																5,000											5,000
Shares issued to third party for services (in shares)											133
Stock-based compensation																1,017,000											1,017,000
Net loss																	(23,000)	(9,367,000)									(9,390,000)
Translation Loss																											0
Ending Balance at Jun. 30, 2022																249,563,000	41,000	(246,847,000)									2,757,000
Ending Balance (in shares) at Jun. 30, 2022											1,135,601	9
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	19,417,000	19,418,000	$ 611,000		$ 611,000									$ 2,020,000											$ 2,020,000
Issuance of common stock (In shares)	13,483,460				137					2,058,651
Shares issued in exchange of notes payable and accrued interest													$ 1,730,000		758,000	1,275,000								$ 1,730,000		758,000	1,275,000
Shares issued in exchange of notes payable and accrued interest (in shares)											1,370,005										73	32
Shares issued upon exercise of restricted stock units																9,000											9,000
Shares issued upon exercise of restricted stock units (in shares)											13,149
Shares issued to third party for services																166,000											166,000
Shares issued to third party for services (in shares)											9,869
Additional investment from non-controlling interests																	1,232,000										1,232,000
Stock-based compensation																998,000											998,000
Net loss																	(336,000)	(24,352,000)									(24,688,000)
Translation Loss																	(6,000)		(43,000)								(49,000)
Warrants issued in Underwriter settlement agreement				1,235,000		1,235,000								535,000	1,934,000										535,000	1,934,000
Ending Balance at Jun. 30, 2023											$ 1,000					297,659,000	191,000	(291,300,000)	(723,000)								5,828,000
Ending Balance (in shares) at Jun. 30, 2023											19,117,218	9								137			105
Beginning Balance at Mar. 31, 2023											$ 1,000					287,383,000	310,000	(279,150,000)	(884,000)								7,660,000
Beginning Balance (in shares) at Mar. 31, 2023											14,175,741	9
Increase (decrease) in Stockholders' Equity (Deficit)
Issuance of common stock		$ 1,553,000	$ 1,553,000	611,000		611,000									1,393,000											1,393,000
Issuance of common stock (In shares)	3,019,477				137					1,908,651
Shares issued in exchange of notes payable and accrued interest								$ 758,000					$ 1,730,000											$ 1,730,000
Shares issued in exchange of notes payable and accrued interest (in shares)							32														73
Shares issued upon exercise of restricted stock units																9,000											9,000
Shares issued upon exercise of restricted stock units (in shares)											13,149
Shares issued to third party for services (in shares)											200
Stock-based compensation																518,000											518,000
Net loss																	(141,000)	(12,150,000)									(12,291,000)
Translation Loss																	22,000		161,000								183,000
Warrants issued in Underwriter settlement agreement				$ 1,235,000		$ 1,235,000								$ 535,000	$ 1,934,000										$ 535,000	$ 1,934,000
Ending Balance at Jun. 30, 2023											$ 1,000					$ 297,659,000	$ 191,000	$ (291,300,000)	$ (723,000)								$ 5,828,000
Ending Balance (in shares) at Jun. 30, 2023											19,117,218	9								137			105