Condensed Consolidated Statements of Equity (Unaudited) - USD ($)	Common Stock [Member] Related Party [Member]	Common Stock [Member] Nonrelated Party [Member]	Common Stock [Member] Related Party Convertible Debt Price Reset [Member]	Common Stock [Member] At The Market Offering Agreement [Member]	Common Stock [Member]	Additional Paid-in Capital [Member] Related Party [Member]	Additional Paid-in Capital [Member] Nonrelated Party [Member]	Additional Paid-in Capital [Member] Related Party Convertible Debt Price Reset [Member]	Additional Paid-in Capital [Member] At The Market Offering Agreement [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member] Related Party [Member]	Retained Earnings [Member] Nonrelated Party [Member]	Retained Earnings [Member] Related Party Convertible Debt Price Reset [Member]	Retained Earnings [Member] At The Market Offering Agreement [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member] Related Party [Member]	AOCI Attributable to Parent [Member] Nonrelated Party [Member]	AOCI Attributable to Parent [Member] Related Party Convertible Debt Price Reset [Member]	AOCI Attributable to Parent [Member] At The Market Offering Agreement [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member] Related Party [Member]	Noncontrolling Interest [Member] Nonrelated Party [Member]	Noncontrolling Interest [Member] Related Party Convertible Debt Price Reset [Member]	Noncontrolling Interest [Member] At The Market Offering Agreement [Member]	Noncontrolling Interest [Member]	Related Party [Member]	Nonrelated Party [Member]	Related Party Convertible Debt Price Reset [Member]	At The Market Offering Agreement [Member]	Total
Balance (in shares) at Dec. 31, 2022					1,037,138
Balance at Dec. 31, 2022					$ 1,000					$ 270,377,000					$ (266,193,000)					$ 111,000					$ (973,000)					$ 3,323,000
Stock-based compensation expense					0					10,000					0					0					0					10,000
Related party convertible note price reset			$ 0		0			$ 3,160,000		43,000			$ 0		0			$ 0		0			$ 0		0		$ 43,000	$ 3,160,000		$ 43,000
Conversion of note payable to common stock (in shares)																														215,000
Conversion of note payable to common stock					$ 1,000					602,000					0					0					0					$ 603,000
Issuance of common stock via at-the- market offering, net (in shares)					125,000
Issuance of common stock via at-the- market offering, net					$ 0					2,640,000					0					0					0					2,640,000
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest					0					0					(5,086,000)					0					(96,000)				$ (5,182,000)
Adjustments to Additional Paid in Capital, Debt Discount			$ 0		$ 0			$ 3,160,000		43,000			$ 0		0			$ 0		0			$ 0		0		43,000	3,160,000		43,000
Sale of common stock and warrants, net (in shares)					125,000
Sale of common stock and warrants, net					$ 0					2,640,000					0					0					0					$ 2,640,000
Exercise of warrants (in shares)																														158,731
Exercise of warrants					0										0					0					0					$ 421,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax					$ 0					0					0					(6,000)					0					(6,000)
Balance (in shares) at Mar. 31, 2023					1,535,869
Balance at Mar. 31, 2023					$ 2,000					277,253,000					(271,279,000)					105,000					(1,069,000)					5,012,000
Balance (in shares) at Dec. 31, 2023					3,617,886
Balance at Dec. 31, 2023					$ 4,000					282,383,000					(284,168,000)					114,000					(1,917,000)					(3,584,000)
Stock-based compensation expense					0					10,000					0					0					0					10,000
Related party convertible note price reset	$ 3,000	$ 0				$ 2,786,000	$ 37,000				$ 0	$ 0				$ 0	$ 0				$ 0	$ 0				$ 2,789,000	37,000	2,789,000
Conversion of note payable to common stock (in shares)	4,113,158
Conversion of note payable to common stock	$ 1,000					1,562,000					0					0					0					1,563,000
Issuance of common stock via at-the- market offering, net (in shares)				221,736																									221,736
Issuance of common stock via at-the- market offering, net				$ 0					$ 99,000					$ 0					$ 0					$ 0					$ 99,000
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest					$ 0					0					(1,856,000)					0					(145,000)					(2,001,000)
Adjustments to Additional Paid in Capital, Debt Discount	$ 3,000	$ 0				$ 2,786,000	$ 37,000				$ 0	$ 0				$ 0	$ 0				$ 0	$ 0				$ 2,789,000	$ 37,000	$ 2,789,000
Sale of common stock and warrants, net (in shares)				221,736																									221,736
Sale of common stock and warrants, net				$ 0					$ 99,000					$ 0					$ 0					$ 0					$ 99,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax																														0
Balance (in shares) at Mar. 31, 2024					7,952,780
Balance at Mar. 31, 2024					$ 8,000					$ 286,877,000					$ (286,024,000)					$ 114,000					$ (2,062,000)					$ (1,087,000)