Note 9 - Stock Based Compensation (Tables)

9 Months Ended

Jun. 30, 2022

Notes Tables

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

						Weighted-average
						remaining		Aggregate
				Weighted-average		contractual term		intrinsic value
	Number of shares			exercise price		(in years)		(in thousands)
Outstanding at September 30, 2021		2,702,500		$	4.42		5.13	$	-
Granted		1,030,000			0.99				-
Exercised		-			-
Forfeited		(930,000	)		3.59
Outstanding at June 30, 2022		2,802,500			3.43		3.39		-
Exercisable at June 30, 2022		1,822,500		$	4.19		4.63	$	-