Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2017

Stockholders Equity Note [Abstract]

Summary of Combined Activity Under Equity Incentive Plans

The following table summarizes the combined activity under the equity incentive plans for the indicated periods:

	Number of Nonqualified Options Outstanding			Weighted Average Exercise Price per Share		Number of Restricted Stock Awards			Weighted Average Grant-date Fair Value per Share
Outstanding at October 1, 2014		89,700		$	17.27		189,000		$	95.03
Granted		—			—		3,000			19.13
Exercised		—			—		—			—
Forfeited		—			—		(2,500	)		98.68
Vested		—			—		(47,000	)		95.02
Outstanding at September 30, 2015		89,700			17.27		142,500			93.80
Granted		69,300			14.87		182,400			14.84
Exercised		—			—		—			—
Forfeited		—			—		(2,250	)		77.33
Vested		—			—		(49,000	)		90.73
Outstanding at September 30, 2016		159,000			16.23		273,650			39.98
Granted		51,300			21.42		109,500			21.12
Exercised		(4,000	)		8.78		—			—
Forfeited		(4,500	)		26.48		(3,250	)		28.73
Vested		—			—		(91,100	)		22.02
Outstanding at September 30, 2017		201,800		$	17.47		288,800		$	28.92

Summary of Stock Options Outstanding and Exercisable

The following table summarizes information about stock options outstanding and exercisable at September 30, 2017:

	Options Outstanding								Options Exercisable
Range of Exercise Prices	Shares		Weighted Average Remaining Term (inyears)		Weighted Average Exercise Price		Intrinsic Value		Shares		Weighted Average Remaining Term (in years)		Weighted Average Exercise Price		Intrinsic Value
$8.78 to $8.78		34,200		1.2	$	8.78	$	309,168		34,200		1.2	$	8.78	$	309,168
$14.87 to $14.87		69,300		8.1		14.87		204,435		—		—		—		—
$21.42 to $26.48		98,300		6.0		22.32		—		47,000		2.5		23.30		—
		201,800		5.9	$	17.47	$	513,603		81,200		3.3	$	17.18	$	309,168