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Note 14 - Share-based Compensation (Tables)

3 Months Ended

Dec. 31, 2018

Notes Tables

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

		Three months ended December 31, 2017
Volatility			45.4%
Risk free interest rate			2.2%
Forfeiture rate			10.0%
Dividend yield			0.0%
Expected life in years			4.6

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

		Number of Shares
Outstanding September 30, 2018			218,330
Granted			-
Released			-
Forfeited/cancelled			-
Outstanding December 31, 2018			218,330

Share-based Compensation, Stock Options, Activity [Table Text Block]

		Number of Shares				Weighted Average Exercise Price
Outstanding September 30, 2018			3,394,858			$	2.18
Granted			-			$	-
Forfeited/expired			(753,334	)		$	2.99
Exercised			(1,600	)		$	1.58
Outstanding December 31, 2018			2,639,924			$	1.94
Exerciseable December 31, 2018			1,702,236			$	1.93

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by 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			603,198				4.42			$	1.57				583,385			$	1.57
$1.71	-	$1.86			526,476				3.53			$	1.80				455,601			$	1.81
$1.99	-	$1.99			1,125,000				4.58			$	1.99				281,250			$	1.99
$2.02	-	$3.13			375,250				2.72			$	2.56				372,000			$	2.56
$3.17	-	$3.17			10,000				2.88			$	3.17				10,000			$	3.17
					2,639,924												1,702,236

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three months ended
		December 31,
		2018				2017
Cost of revenues		$	4,298			$	6,209
Selling, general and administrative			111,851				109,322
Research and development			17,696				22,930
		$	133,845			$	138,461

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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