Note 11 - Stock Compensation (Tables)

12 Months Ended

Sep. 30, 2017

Notes Tables

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

			Weighted Average Exercise					Weighted Average Exercise					Weighted Average Exercise
	2017		Price		2016			Price		2015			Price
Option Shares
Directors Plans:
Outstanding October 1,		5,000	$	3.540		6,000		$	3.440		22,000		$	5.300
Granted		-		-		-			-		-			-
Canceled/expired		-	$	2.925		(1,000	)	$	2.925		(16,000	)	$	6.000
Exercised		-		-		-			-		-			-
Outstanding September 30,		5,000	$	3.540		5,000		$	3.540		6,000		$	3.440
Exercisable September 30,		5,000	$	3.540		5,000		$	3.540		6,000		$	3.440

Directors Plans [Member]

Notes Tables

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

Directors Plans		Outstanding Stock Options		Weighted Average Exercise Price		Weighted Average Remaining Life		Number of Stock Options Exercisable		Weighted Average Exercise Price
Range of exercise prices:
$	2.925		4,000	$	2.925		5.3		4,000	$	2.925
$	6.00		1,000	$	6.000		3.5		1,000	$	6.000
			5,000	$	3.540				5,000	$	3.540