Stockholders' Equity (Tables)

12 Months Ended

Sep. 30, 2014

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 Nonqualifed 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,, 2011		345,600		$	13.82		—		$	—
Granted		—			—		—			—
Exercised		(99,644	)		13.63		—			—
Forfeited		—			—		—			—
Expired		—			—		—			—
Outstanding at September 30, 2012		245,956			13.90		—			—
Granted		—			—		—			—
Exercised		(139,906	)		10.36		—			—
Forfeited		—			—		—			—
Expired		—			—		—			—
Outstanding at September 30, 2013		106,050			18.61		—			—
Granted		—			—		197,000			95.18
Exercised		(16,350	)		25.94		—			—
Forfeited		—			—		(8,000	)		98.68
Expired		—			—		—			—
Outstanding at September 30, 2014		89,700		$	17.27		189,000		$	95.03

Summary of Nonqualified Stock Options Outstanding and Exercisable

The following table summarizes information about nonqualified stock options outstanding and exercisable at September 30, 2014:

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
$6.76 to $9.99		38,200		4.2	$	8.78		1,007,334		38,200		4.2	$	8.78	$	1,007,334
$10.00 to $26.98		51,500		5.6		23.57		596,160		51,500		5.6		23.57		596,160
		89,700		5.0	$	17.27		1,603,494		89,700		5.0	$	17.27	$	1,603,494