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

6 Months Ended

Dec. 31, 2021

Notes Tables

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

Risk Free Interest Rate		0.01% to 0.78	%
Volatility		115.1% to 169.0	%
Term	4 1/2 to 10 years
Dividend Rate		0.00	%
Closing Price of Common Stock	$	0.95

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

				Weighted
				Average
				Exercise
	Options			Price
Outstanding as of June 30, 2021		3,916,666		$	0.26
Granted		564,700			0.97
Exercised		(28,667	)		0.24
Terminated		(15,033	)		0.33
Expired		-			-
Outstanding as of December 31, 2021		4,437,666		$	0.35
Exercisable at December 31, 2021		3,365,766		$	0.24