CB Oncology Partners (Details) - USD ($)	1 Months Ended		3 Months Ended		9 Months Ended		12 Months Ended
	May 31, 2023	Jun. 30, 2020	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Sep. 02, 2017
CB Oncology Partners [Abstract]
Due from related parties			$ 105,000		$ 105,000		$ 15,000
USNC's equity in (loss) income			2,000	$ (156,000)	(266,000)	$ (1,287,000)
Condensed Income Statement Information [Abstract]
Patient revenue			0	0	0	0
Net (loss) income			(150,000)	(378,000)	(788,000)	(2,167,000)	(1,572,000)
USNC's equity in (loss) income			2,000	(156,000)	(266,000)	(1,287,000)
Condensed Balance Sheet Information [Abstract]
Current assets			579,000		579,000		1,555,000
TOTAL ASSETS			871,000		871,000		1,747,000
Current liabilities			191,000		191,000		280,000
Deficit			669,000		669,000		1,456,000	$ 3,028,000
TOTAL LIABILITIES AND EQUITY			871,000		871,000		1,747,000
CB Oncology Partners LLC [Member]
CB Oncology Partners [Abstract]
Allowances on outstanding amount			550,000		550,000		156,000
Condensed Income Statement Information [Abstract]
Patient revenue			53,000	482,000	814,000	1,507,000
Net (loss) income			(385,000)	(158,000)	(991,000)	(387,000)
Condensed Balance Sheet Information [Abstract]
Current assets			191,000		191,000		405,000
Noncurrent assets			2,616,000		2,616,000		3,056,000
TOTAL ASSETS			2,807,000		2,807,000		3,461,000
Current liabilities			4,035,000		4,035,000		975,000
Noncurrent liabilities			2,824,000		2,824,000		5,680,000
Deficit			(4,052,000)		(4,052,000)		(3,194,000)
TOTAL LIABILITIES AND EQUITY			2,807,000		2,807,000		3,461,000
Related Party [Member] | CB Oncology Partners LLC [Member]
CB Oncology Partners [Abstract]
Due from related parties			100,000		100,000		6,000
CB Oncology Partners LLC [Member]
CB Oncology Partners [Abstract]
Ownership percentage	30.23%	28.58%							24.00%
Capital called from members	$ 200,000	$ 500,000
Advances converted into equity	57,000	121,000
Contribution in cash	$ 76,000	$ 212,000
Outstanding amount			650,000		650,000		$ 163,000
USNC's equity in (loss) income			(116,000)	(45,000)	(300,000)	(111,000)
Condensed Income Statement Information [Abstract]
USNC's equity in (loss) income			$ (116,000)	$ (45,000)	$ (300,000)	$ (111,000)