CONSOLIDATED STATEMENTS OF EQUITY - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	(Accumulated Deficit) Retained Earnings [Member]	U.S. Neurosurgical Holdings, Inc. Stockholders' Equity [Member]	Noncontrolling Interests [Member]	Total
Balance at Dec. 31, 2020	$ 78,000	$ 3,100,000	$ 508,000	$ 3,686,000	$ 0	$ 3,686,000
Balance (in shares) at Dec. 31, 2020	7,792,185
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Sale of subsidiary shares to noncontrolling interests		(229,000)		(229,000)	544,000	315,000
Net loss	$ 0	0	(881,000)	(881,000)	(92,000)	(973,000)
Balance at Dec. 31, 2021	$ 78,000	2,871,000	(373,000)	2,576,000	452,000	$ 3,028,000
Balance (in shares) at Dec. 31, 2021	7,792,185					7,792,185
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock as compensation	$ 0	0	0	0	0	$ 0
Issuance of common stock as compensation (in shares)	50,000
Net loss	$ 0	0	(1,337,000)	(1,337,000)	(235,000)	(1,572,000)
Balance at Dec. 31, 2022	$ 78,000	$ 2,871,000	$ (1,710,000)	$ 1,239,000	$ 217,000	$ 1,456,000
Balance (in shares) at Dec. 31, 2022	7,842,185					7,842,185