Note 16 - Stock Option Plans (Tables)

3 Months Ended

Dec. 31, 2016

Notes Tables

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

	Three Months Ended December 31 ,
	2016					2015
	Number Of Shares			Weighted Average Exercise Price		Number of Shares		Weighted Average Exercise Price
Outstanding options at the beginning of period		949,667		$	8.47		1,043,566	$	8.47
Options granted		—			—		67,100		7.93
Options exercised		—			—		—		—
Options forfeited/cancelled		(52,500	)		14.16		—		—
Outstanding options at the end of period		897,167		$	8.14		1,110,666	$	8.43
Exercisable options at the end of period		844,829		$	8.15		965,325	$	8.46

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

			Options Outstanding						Options Exercisable
Range of Exercise Price			Number of Shares Outstanding		Weighted Remaining Contractual Life (in Years)		Weighted Average Exercise Price		Number of Shares Exercisable		Weighted Average Exercise Price
$2.8751	-	$5.7500		3,800		2.3	$	2.95		3,800	$	2.95
$5.7501	-	$8.6250		768,867		5.2		7.96		716,529		7.96
$8.6251	-	$11.5000		124,500		6.1		9.40		124,500		9.40
				897,167		5.3	$	8.14		844,829	$	8.15

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]

	Three Months Ended December 31 ,
	2016				2015
	Number of Shares		Weighted Average Grant Date Fair Value		Number of Shares			Weighted Average Grant Date Fair Value
Unvested at the beginning of period		—	$	—		44,107		$	9.28
Awards granted		—		—		5,000			7.89
Vested		—		—		(34,107	)		9.57
Forfeited		—		—		—			—
Unvested at the end of period		—	$	—		15,000		$	7.92