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Note 14 - Share-based Compensation (Tables)

6 Months Ended

Mar. 31, 2019

Notes Tables

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

		Number of Shares				Weighted Average Exercise Price
Outstanding September 30, 2018			3,394,858			$	2.18
Granted			-			$	-
Forfeited/expired			(768,334	)		$	2.99
Exercised			(28,282	)		$	1.60
Outstanding March 31, 2019			2,598,242			$	1.94
Exerciseable March 31, 2019			1,702,145			$	1.93

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
$0.93	-	$1.69			577,766				4.20			$	1.57				560,545			$	1.57
$1.71	-	$1.86			525,226				3.29			$	1.80				461,257			$	1.81
$1.99	-	$1.99			1,125,000				4.34			$	1.99				312,500			$	1.99
$2.02	-	$3.13			360,250				2.59			$	2.55				357,843			$	2.55
$3.17	-	$3.17			10,000				2.64			$	3.17				10,000			$	3.17
					2,598,242												1,702,145

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

		Number of Shares
Outstanding September 30, 2018			218,330
Granted			249,300
Released			(156,115	)
Forfeited/cancelled			-
Outstanding March 31, 2019			311,515

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

		Three months ended
		March 31, 2018
Volatility			45.4%
Risk free interest rate			2.2%
Forfeiture rate			10.0%
Dividend yield			0.0%
Expected life in years			4.6

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

		Three months ended								Six months ended
		March 31,								March 31,
		2019				2018				2019				2018
Cost of revenues		$	4,201			$	5,047			$	8,499			$	11,256
Selling, general and administrative			154,250				120,113				266,101				229,455
Research and development			13,524				20,609				31,220				43,539
		$	171,975			$	145,769			$	305,820			$	284,250

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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