Note 5 - Prepaid Expenses and Other Current Assets (10-Q) (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2024

Dec. 31, 2023

Notes Tables

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

	March 31, 2024		December 31, 2023
Clinical expenses	$	952,574	$	711,362
Insurance		265,944		436,859
Professional services		21,917		37,917
Dues and memberships		77,599		—
Other		30,645		70,363
Total	$	1,348,679	$	1,256,501

	December 31,
	2023		2022
Prepaid clinical expenses	$	711,362	$	-
Insurance		436,859		9,937
Rent		-		2,455
Prepaid professional services		37,917		-
Other		70,363		51,735
Total	$	1,256,501	$	64,127