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Note 15 - Share-based Compensation (Tables)

6 Months Ended

Mar. 31, 2022

Notes Tables

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

		Six months ended
		March 31,
		2022				2021
Volatility			48.1%				48.5%
Risk-free interest rate			1.5%				0.6%
Dividend yield			0.0%				0.0%
Expected term in years			6.8				6.8

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			260,800			$	3.09
Released			(262,342	)		$	6.46
Forfeited/cancelled			(15,000	)		$	5.05
Outstanding March 31, 2022			382,927			$	4.03

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			302,000			$	4.87
Forfeited/expired			-			$	-
Exercised			(70,000	)		$	2.43
Outstanding March 31, 2022			2,977,384			$	3.23
Exerciseable March 31, 2022			1,562,503			$	2.42

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			319,157				1.51			$	1.64				319,157			$	1.64
$1.99	-	$1.99			937,500				1.94			$	1.99				937,500			$	1.99
$3.39	-	$3.39			800,000				4.51			$	3.39				-			$	-
$3.40	-	$4.99			635,727				5.53			$	4.10				237,745			$	3.60
$5.05	-	$8.03			285,000				5.80			$	6.66				80,780			$	6.94
					2,977,384				3.72			$	3.23				1,575,182			$	2.42

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

		Three Months Ended								Six Months Ended
		March 31,								March 31,
		2022				2021				2022				2021
Cost of revenues			28			$	9				43				15
Selling, general and administrative			686				309				1,217				479
Research and development			23				10				35				16
		$	737			$	328			$	1,295			$	510

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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