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Note 15 - Share-based Compensation (Tables)

3 Months Ended

Dec. 31, 2022

Notes Tables

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

		Three months ended
		December 31,
		2022				2021
Volatility			52.1	%			48.1	%
Risk-free interest rate			4.1	%			1.2	%
Dividend yield			0.0	%			0.0	%
Expected term in years			6.1				6.9

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

		Number of Shares				Weighted Average Grant Date Fair Value
Outstanding September 30, 2022			342,841			$	4.11
Granted			10,000			$	2.87
Released			(12,667	)		$	5.11
Forfeited/cancelled			-			$	-
Outstanding December 31, 2022			340,174			$	4.03

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

		Number of Shares				Weighted Average Exercise Price
Outstanding September 30, 2022			3,940,899			$	3.31
Granted			1,204,000			$	2.73
Forfeited/expired			(310,362	)		$	4.50
Exercised			(20,000	)		$	1.58
Outstanding December 31, 2022			4,814,537			$	3.10
Exerciseable December 31, 2022			1,871,879			$	2.83

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

								Weighted Average				Weighted Average								Weighted Average
Range of				Number				Remaining				Exercise				Number				Exercise
Exercise Prices				Outstanding				Contractual Term				Price				Exercisable				Price
$1.31	-	$1.76			223,922				1.12			$	1.69				223,922			$	1.69
$1.99	-	$1.99			937,500				1.18			$	1.99				937,500			$	1.99
$2.69	-	$3.21			1,224,000				6.78			$	2.74				-			$	-
$3.39	-	$3.48			1,965,865				5.27			$	3.44				458,291			$	3.40
$3.95	-	$8.03			463,250				3.90			$	5.50				252,166			$	5.90
					4,814,537				4.53			$	3.10				1,871,879			$	2.83

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Months Ended
		December 31,
		2022				2021
Cost of revenues		$	15			$	15
Selling, general and administrative			373				531
Research and development			32				12
		$	420			$	558

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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