Note 2 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

12 Months Ended

Jun. 30, 2016

Sep. 30, 2015

Notes Tables

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

	Three Month Period Ended June 30,				Nine Month Period Ended June 30,
	2016		2015		2016		2015
Basic weighted-average shares		12,440,035		12,446,365		12,442,059		12,446,365
Effect of dilutive securities:
Options		—		8,284		—		18,912
Warrants		—		36,521		—		30,198
Diluted weighted-average shares		12,440,035		12,491,170		12,442,059		12,495,475

	Years Ended September 30,
	2015		2014
Basic weighted-average shares		12,464,496		12,322,110
Effect of dilutive securities:
Options		15,109		49,858
Warrants		—		4,169
Unvested restricted stock units		22,649		32,211
Diluted weighted-average shares		12,502,254		12,408,348