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Note 10 - Share-based Compensation (Tables)

3 Months Ended

Dec. 31, 2016

Notes Tables

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

		Number				Weighted Average
		of Shares				Exercise Price
Outstanding October 1, 2016			4,404,002			$	2.18
Granted			448,500			$	1.70
Forfeited/expired			(3,500	)		$	2.20
Outstanding December 31, 2016			4,849,002			$	2.14
Exercisable December 31, 2016			3,148,103			$	2.26

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

		Three months ended
		December 31,
		2016				2015
Cost of revenues		$	5,877			$	5,637
Selling, general and administrative			435,497				117,955
Research and development			23,375				24,348
Total		$	464,749			$	147,940

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

		Three months ended
		December 31,
		2016					2015
Volatility		52.4%	-	53.7%			51.0%	-	52.0%
Risk-free interest rate		1.7%	-	2.0%			1.5%	-	1.7%
Forfeiture rate			10.0%					10.0%
Dividend yield			0.0%				2.2%	-	2.7%
Expected life in years		3.8	-	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.

+ References

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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