Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2015

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, 2012		245,956		$	13.90	—	$	—
Granted		—			—	—		—
Exercised		(139,906	)		10.36	—		—
Forfeited		—			—	—		—
Vested		—			—	—		—
Outstanding at September 30, 2013		106,050			18.61	—		—
Granted		—			—	197,000		95.18
Exercised		(16,350	)		25.94	—		—
Forfeited		—			—	(8,000)		98.68
Vested		—			—	—		—
Outstanding at September 30, 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

Summary of Stock Options Outstanding and Exercisable

The following table summarizes information about stock options outstanding and exercisable at September 30, 2015:

Range of Exercise Prices	Options Outstanding								Options Exercisable
	Shares		Weighted Average Remaining Term (in years)		Weighted Average Exercise Price		Intrinsic Value		Shares		Weighted Average Remaining Term (in years)		Weighted Average Exercise Price		Intrinsic Value
$8.78 to $9.99		38,200		3.2	$	8.78	$	192,146		38,200		3.2	$	8.78	$	192,146
$10.00 to $26.48		51,500		4.6		23.57		--		51,500		4.6		23.57		--
		89,700		4.0	$	17.27	$	192,146		89,700		4.0	$	17.27	$	192,146