Restatement of Previously Issued Financial Statements - Consolidated Statement of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Equity method investment loss	$ (125)	$ (125)	$ (125)	$ (125)	$ (125)	$ (125)	$ (250)	$ (250)	$ (375)	$ (375)	$ (501)	$ (511)
Loss before income taxes	(713)	(1,843)	(1,268)	(2,493)	123	122	(3,111)	245	(3,824)	(2,248)	(5,535)	(3,033)
Loss from continuing operations				(2,493)	123	122		245		(2,248)	(5,595)	(3,235)
Net loss	(772)	(1,888)	(1,306)	(2,534)	(74)	(104)	(3,194)	(178)	(3,966)	(2,712)	(5,595)	(3,595)
Net income attributable to noncontrolling interests	$ 59	$ 45	$ 38	$ 34	$ 65	$ 65	$ 83	$ 130	$ 142	$ 164	207	296
Net loss attributable to common shareholders											$ (5,802)	$ (3,891)
Basic
Continuing operations				$ (0.12)	$ 0	$ 0		$ 0.01		$ (0.12)	$ (0.27)	$ (0.17)
Basic loss per share	$ (0.04)	$ (0.09)	$ (0.06)	(0.12)		0.01	$ (0.15)	(0.01)	$ (0.19)	(0.13)	(0.27)	(0.19)
Diluted
Continuing operations				(0.12)	$ 0	0		$ 0.01		(0.12)	(0.27)	(0.17)
Diluted loss per share	$ (0.04)	$ (0.09)	$ (0.06)	$ (0.12)		$ 0.01	$ (0.15)		$ (0.19)	$ (0.13)	$ (0.27)	$ (0.19)
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Loss before income taxes	$ (588)	$ (1,718)	$ (1,143)	$ (2,368)	$ 248	$ 247	$ (2,861)	$ 495	$ (3,449)	$ (1,873)		$ (2,533)
Loss from continuing operations				(2,368)	248	247		495		(1,873)		(2,735)
Net loss	$ (588)	$ (1,718)	$ (1,143)	$ (2,375)	$ 116	$ 86	$ (2,861)	$ 202	$ (3,449)	$ (2,173)		(3,095)
Net loss attributable to common shareholders												$ (3,095)
Basic
Continuing operations				$ (0.11)	$ 0.01	$ 0.01		$ 0.02		$ (0.09)		$ (0.13)
Basic loss per share	$ (0.03)	$ (0.08)	$ (0.05)	(0.11)		0	$ (0.14)	0.01	$ (0.16)	(0.1)		(0.15)
Diluted
Continuing operations				(0.11)	$ 0.01	0.01		0.02		(0.09)		(0.13)
Diluted loss per share	$ (0.03)	$ (0.08)	$ (0.05)	$ (0.11)		$ 0	$ (0.14)	$ 0.01	$ (0.16)	$ (0.1)		$ (0.15)
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Equity method investment loss	$ (125)	$ (125)	$ (125)	$ (125)	$ (125)	$ (125)	$ (250)	$ (250)	$ (375)	$ (375)		$ (500)
Loss before income taxes	(125)	(125)	(125)	(125)	(125)	(125)	(250)	(250)	(375)	(375)		(500)
Loss from continuing operations				(125)	(125)	(125)		(250)		(375)		(500)
Net loss	(184)	(170)	(163)	(159)	(190)	(190)	(333)	(380)	(517)	(539)		(500)
Net income attributable to noncontrolling interests	$ 59	$ 45	$ 38	$ 34	$ 65	$ 65	$ 83	$ 130	$ 142	$ 164		296
Net loss attributable to common shareholders												$ (796)
Basic
Continuing operations				$ (0.01)	$ (0.01)	$ (0.01)		$ (0.01)		$ (0.03)		$ (0.04)
Basic loss per share	$ (0.01)	$ (0.01)	$ (0.01)	(0.01)		(0.01)	$ (0.01)	(0.02)	$ (0.03)	(0.03)		(0.04)
Diluted
Continuing operations				(0.01)	$ (0.01)	(0.01)		(0.01)		(0.03)		(0.04)
Diluted loss per share	$ (0.01)	$ (0.01)	$ (0.01)	$ (0.01)		$ (0.01)	$ (0.01)	$ (0.01)	$ (0.03)	$ (0.03)		$ (0.04)