Note 10 - Warrants

3 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Warrants Disclosure [Text Block]

NOTE 10 - WARRANTS

Transactions involving the Company equity-classified warrants for the three months ended December 31, 2022 and 2021 are summarized as follows:

						Weighted-average
						remaining		Aggregate
				Weighted-average		contractual term		intrinsic value
	Number of shares			exercise price		(in years)		(in thousands)
Outstanding at September 30, 2022		589,917		$	4.68		2.30	$	-
Granted		-			-				-
Exercised		-			-
Forfeited		(100,000	)		7.50
Outstanding at December 31, 2022		489,917			4.10		2.79		-
Exercisable at December 31, 2022		489,917		$	4.10		-	$	-

During the three month period ended December 31, 2022, 100,000 warrants expired and as a result were forfeited.

The following table summarizes outstanding common stock purchase warrants as of December 31, 2022:

			Weighted-average
	Number of shares		exercise price		Expiration
Exercisable at $4.375 per share		51,429		4.375	September 2023
Exercisable at $7.50 per share		60,000		7.50	May 2024
Exercisable at $3.9125 per share		47,822		3.9125	October 2024
Exercisable at $1.25 per share		36,682		1.25	January 2025
Exercisable at $3.74 per share		150,502		3.74	December 2025
Exercisable at $3.75 per share		143,482		3.75	June 2026
		489,917	$	4.10