Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2018

Stockholders' Equity [Abstract]

Schedule Of Unvested Restricted Stock Units Roll Forward Table [Text Block]

		Year Ended September 30,
			2018	2017	2016
Unvested at beginning of year			140,668	174,334	207,166
	Granted		-	-	-
	Vested		(140,668)	(31,409)	(25,332)
	Forfeited		-	(2,257)	(7,500)
Unvested at end of year			-	140,668	174,334

Schedule Of Stock Options Roll Forward Table [Text Block]

		Weighted Average
	Shares	Exercise Price
Outstanding, September 30, 2015	133,000	$	5.79
Options granted	-		-
Exercised	42,500		5.17
Forfeited and Cancelled	11,000		3.60
Outstanding, September 30, 2016	79,500	$	6.43
Options granted	-		-
Exercised	33,750		6.46
Forfeited and Cancelled	-		-
Outstanding, September 30, 2017	45,750	$	6.42
Options granted	-		-
Exercised	1,500		7.21
Forfeited and Cancelled	-		-
Outstanding, September 30, 2018	44,250	$	6.39

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

Exercise Prices	Outstanding as of September 30, 2018	Remaining Contractual Life in Years		Weighted-Average Exercise Price	Exercisable as of September 30, 2018		Weighted-Average Exercise Price
$5.76	25,500	4.58	$	5.76	25,500	$	5.76
$7.27	11,000	6.29	$	7.27	11,000	$	7.27
$7.21	7,750	6.34	$	7.21	7,750	$	7.21
	44,250		$	6.39	44,250	$	$6.75