Stock Options and Employee Stock Purchase Plan (Tables)

12 Months Ended

Sep. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Number of Shares Available for Grant

The number of shares available for grant under these stockholder approved plans at September 30, is as follows:

	Qualified Employee Stock Option Plans		Director Stock Option Plans
Shares available for grant at September 30, 2014	853,766		19,500
Options granted	(307,119	)	(10,500	)
Options forfeited	39,384		8,000
Shares available for grant at September 30, 2015	586,031		17,000
Options granted	(233,381	)	(10,500	)
Options forfeited	14,239		—
Shares available for grant at September 30, 2016	366,889		6,500

Summary of Options Activity

The following table summarizes information with respect to outstanding stock options under all plans:

	Years Ended September 30,
	2016					2015
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Outstanding at beginning of year	1,449,409			$	10.03	1,240,941			$	10.31
Granted	243,881			7.16		317,619			9.22
Exercised	(2,968		)	6.74		(11,117		)	7.27
Forfeited	(87,500		)	11.02		(98,034		)	11.27
Outstanding at end of year	1,602,822			$	9.51	1,449,409			$	10.03
Exercisable at end of year	1,062,837					885,777
Weighted average fair value of options granted during the year	$	2.62				$	3.18

Summary of Options Outstanding Segregated By Range

The options outstanding at September 30, 2016 have been segregated into three ranges for additional disclosure as follows:

	Options Outstanding				Options Exercisable
Exercise Prices	Options Outstanding at September 30, 2016	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price		Options Exercisable at September 30, 2016	Weighted Average Exercise Price
$   4.50 to $9.87	1,245,264	6.70	$	8.17	773,336	$	8.15
10.00 to 15.50	330,900	5.49	12.33		262,843	12.79
21.40 to 46.90	26,658	0.38	37.18		26,658	37.18
	1,602,822				1,062,837

Summary of Status of Company's Non-Vested Shares

A summary of the status of the Company’s non-vested shares under all plans at September 30, 2016 and for the year then ended is presented below:

	Shares		Weighted Average Grant Date Fair Value
Non-vested shares at October 1, 2015	563,632		$	4.46
Granted	243,881		2.72
Vested	(253,304	)	3.45
Forfeited	(14,224	)	3.34
Non-vested shares at September 30, 2016	539,985		$	3.21