Note B - Boca Oncology Partners - Financial Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Rental Income	$ 0	$ 0
Current assets	3,730,000		$ 4,249,000
Net income	(424,000)	(312,000)	(2,055,000)	$ (816,000)
EHSHI's equity in earnings of BOPRE	(0)	2,000
Total assets	4,319,000		4,321,000
Current liabilities	51,000		94,000
Equity	4,228,000		4,178,000	$ 645,000
Total liabilities and equity	4,319,000		4,321,000
BOPRE [Member]
EHSHI's equity in earnings of BOPRE	0	2,000
BOPRE [Member]
Rental Income	0	0
Current assets	0		0
Net income	0	$ 11,000
Noncurrent assets	0		0
Total assets	0		0
Current liabilities			0
Noncurrent liabilities	0		0
Equity	0		0
Total liabilities and equity	$ 0		$ 0