Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2018

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 RSAs			Weighted Average Grant-date Fair Value per Share		Number of RSUs			Weighted Average Grant-date Fair Value per Unit
Outstanding at October 1, 2017		201,800		$	17.47		288,800		$	28.92		—		$	—
Granted		—			—		176,450			15.13		—			—
Exercised		(7,700	)		8.78		—			—		—			—
Forfeited		(4,000	)		17.63		(21,925	)		18.75		—			—
Vested		—			—		(116,100	)		45.19		—			—
Outstanding at September 30, 2018		190,100			17.81		327,225			16.42		—			—
Granted		—			—		8,000			14.59		161,800			15.17
Exercised		(24,500	)		8.78		—			—		(500	)		15.17
Forfeited		—			—		(2,875	)		14.60		(24,010	)		15.17
Vested		—			—		(111,938	)		16.18		—			—
Outstanding at September 30, 2019		165,600		$	19.15		220,412		$	16.50		137,290		$	15.17

Summary of Stock Options Outstanding and Exercisable

The following table summarizes information about stock options outstanding and exercisable at September 30, 2019:

	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
$14.87		69,300		6.1	$	14.87	$	34,650		—		—	$	—	$	—
$21.42 to $21.95		84,300		4.5		21.63		—		33,000		0.4		21.95		—
$26.48 to $26.48		12,000		0.9		26.48		—		12,000		0.9		26.48		—
		165,600		4.9	$	19.15	$	34,650		45,000		0.5	$	23.16	$	—