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Note 15 - Share-based Compensation (Tables)

3 Months Ended

Dec. 31, 2021

Notes Tables

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

		Three months ended
		December 31,
		2021				2020
Volatility			48.1%				48.6%
Risk-free interest rate			1.2%				0.6%
Dividend yield			0.0%				0.0%
Expected term in years			6.9				6.9

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

`		Number of Shares				Weighted Average Grant Date Fair Value
Outstanding September 30, 2021			399,469			$	6.27
Granted			8,000			$	4.99
Released			-			$	-
Forfeited/cancelled			(5,000	)		$	5.05
Outstanding December 31, 2021			402,469			$	6.26

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

		Number of Shares				Weighted Average Exercise Price
Outstanding September 30, 2021			2,745,384			$	3.02
Granted			267,000			$	4.99
Forfeited/expired			-			$	-
Exercised			(15,000	)		$	3.06
Outstanding December 31, 2021			2,997,384			$	3.20
Exerciseable December 31, 2021			1,562,503			$	2.29

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	-	$1.86			324,157				1.75			$	1.64				324,157			$	1.64
$1.99	-	$1.99			937,500				2.18			$	1.99				937,500			$	1.99
$2.16	-	$2.90			50,000				0.19			$	2.31				50,000			$	2.31
$3.39	-	$3.39			800,000				4.76			$	3.39				-			$	-
$3.40	-	$8.03			885,727				5.81			$	4.93				250,846			$	4.27
					2,997,384				3.86			$	3.20				1,562,503			$	2.29

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

		Three Months Ended
		December 31,
		2021				2020
Cost of revenues		$	15			$	5
Selling, general and administrative			531				171
Research and development			12				6
		$	558			$	182

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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