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Note 16 - Share-based Compensation (Tables)

9 Months Ended

Jun. 30, 2021

Notes Tables

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

		Nine months ended
		June 30,
		2021				2020
Volatility			48.5	%			44.5	%
Risk-free interest rate			0.6	%			1.4	%
Dividend yield			0.0	%			0.0	%
Expected term			6.6				5.4

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

		Number of Shares				Weighted Average Grant Date Fair Value
Outstanding September 30, 2020			303,014			$	2.82
Granted			290,315			$	7.28
Released			(228,633	)		$	2.83
Forfeited/cancelled			(277	)		$	2.26
Outstanding June 30, 2021			364,419			$	6.37

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

		Number of Shares				Weighted Average Exercise Price
Outstanding September 30, 2020			2,659,305			$	2.56
Granted			275,000			$	6.80
Forfeited/expired			(104,125	)		$	2.57
Exercised			(86,462	)		$	1.97
Outstanding June 30, 2021			2,743,718			$	3.00
Exerciseable June 30, 2021			1,520,058			$	2.19

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 Life				Price				Exercisable				Price
$1.31	-	$1.86			334,991				2.20			$	1.64				328,116			$	1.64
$1.99	-	$1.99			937,500				2.69			$	1.99				937,500			$	1.99
$2.16	-	$3.17			72,500				0.60			$	2.52				72,500			$	2.52
$3.39	-	$3.40			1,133,727				5.34			$	3.39				146,005			$	3.40
$5.05	-	$8.03			265,000				6.85			$	6.75				35,937			$	6.87
					2,743,718				4.07			$	3.00				1,520,058			$	2.19

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

		Three months ended								Nine months ended
		June 30,								June 30,
		2021				2020				2021				2020
Cost of revenues		$	10			$	5			$	24			$	16
Selling, general and administrative			424				311				904				738
Research and development			12				6				28				22
		$	446			$	322			$	956			$	776

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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