Note 2 - Property and Equipment (Details Textual)	Mar. 31, 2024
Medical and Office Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)	3 years
Medical and Office Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)	10 years
PBRT Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)	20 years