Note 7 - Earnings Per Share (Tables)

6 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended March 31,				Six Months Ended March 31,
	2017		2016		2017		2016
Net income attributable to common shareholders	$	10,671	$	145,630	$	227,832	$	169,624
Basic weighted average shares		10,153,571		10,092,319		10,143,903		10,080,729
Effect of dilutive securities:
Stock options		2,855		−		1,209		−
Diluted weighted average shares		10,156,426		10,092,319		10,145,112		10,080,729
Earnings per common share:
Basic	$	0.00	$	0.01	$	0.02	$	0.02
Diluted	$	0.00	$	0.01	$	0.02	$	0.02

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three Months Ended March 31,				Six Months Ended March 31,
	2017		2016		2017		2016
Stock options excluded		510,000		525,000		600,000		525,000
Weighted average exercise price of stock options	$	2.81	$	2.83	$	2.66	$	2.83
Average market price of common stock	$	1.83	$	1.77	$	1.79	$	1.77