Note 8 - Equity Transactions and Stock-based Compensation (Tables)

9 Months Ended

Mar. 31, 2024

Notes Tables

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Risk Free Interest Rate		3.91% to 4.36	%
Volatility		116.9% to 131.7	%
Term	7.5 to 10 years
Dividend Rate		0.00	%
Closing Price of Common Stock	$	0.24
Closing Price of Common Stock	$	0.26
Closing Price of Common Stock	$	0.33

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

				Weighted
				Average
				Exercise
	Options			Price
Outstanding as of June 30, 2023		4,3760,284		$	0.35
Granted		782,500			0.27
Exercised		(150,000	)		0.09
Terminated		(9,167	)		0.58
Expired		(241,434	)		0.44
Outstanding as of March 31, 2024		4,758,183		$	0.41
Exercisable at March 31, 2024		3,754,317		$	0.34