Note 8 - Stock-based Compensation (Tables)

9 Months Ended

Jun. 30, 2017

Notes Tables

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

	Shares			Wtd. Avg. Ex. Price
Outstanding at September 30, 2016		570,000		$	2.73
Granted		140,000			1.80
Exercised		–			–
Expired		(10,000	)		3.45
Forfeited		–			–
Outstanding at June 30, 2017		700,000		$	2.54
Exercisable at June 30, 2017		526,667		$	2.78

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

	Nine Months Ended June 30, 2017
Estimated fair value of options at grant date	$	96,690
Black-Scholes model assumptions:
Average expected life (years)		6
Average expected volatility factor		35%
Average risk-free interest rate		2.4%
Average expected dividends yield		–

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

	Nine Months Ended June 30, 2017
Fiscal year 2012 grant	$	5,359
Fiscal year 2014 grant	$	13,575
Fiscal year 2016 grant	$	12,166
Fiscal year 2017 grant	$	16,320