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Note 13 - Share-based Compensation (Tables)

6 Months Ended

Mar. 31, 2018

Notes Tables

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

		Number				Weighted Average
		of Shares				Exercise Price
Outstanding October 1, 2017			4,663,502			$	2.16
Granted			3,500			$	2.21
Forfeited/expired			(83,333	)		$	2.84
Exercised			(110,852	)		$	1.68
Outstanding March 31, 2018			4,472,817			$	2.15
Exercisable March 31, 2018			3,298,533			$	2.23

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

		Three months ended								Six months ended
		March 31,								March 31,
		2018				2017				2018				2017
Cost of revenues		$	5,047			$	5,874			$	11,256			$	11,751
Selling, general and administrative			120,133				148,600				229,455				584,097
Research and development			20,609				22,928				43,539				46,303
Total		$	145,789			$	177,402			$	284,250			$	642,151

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

		Six months ended
		March 31,
		2018			2017
Volatility		45.4%			47.5%	-	53.7%
Risk-free interest rate		2.2%			1.7%	-	2.0%
Forfeiture rate		10.0%				10.0%
Dividend yield		0.0%				0.0%
Expected life in years		4.6			3.8	-	4.6

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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