Shareholders' Equity (Tables)

6 Months Ended

Mar. 31, 2013

Equity [Abstract]

Schedule Of Share-Based Compensation Expense Categories

	Three months Ended March 31,				Six months Ended March 31,
	2013		2012		2013		2012
	(in thousands)
Sales and marketing	$	469	$	109	$	928	$	200
Engineering and product development		21		6		43		8
General and administrative		95		70		191		125
Total	$	585	$	185	$	1,162	$	333

Summary Of The Company's Stock Option Plans

	Number of Options Outstanding			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value $(000)
Outstanding, October 1, 2012		355,334		$	3.71
Granted		—			—
Canceled		—			—
Exercised		(45,000	)		2.95
Outstanding, March 31, 2013		310,334		$	3.82		4.07	$	3,468
Vested or expected to vest, March 31, 2013		302,578		$	3.82		3.97	$	3,383
Exercisable, March 31, 2013		232,770		$	3.77		3.68	$	2,615

Schedule of market prices per share on a national securities exchange

	Number of Unvested RSUs
$10.00 per share prior to the fifth anniversary of the grant date		149,676
$10.00 per share prior to the fourth anniversary of the grant date		191,573
$17.50 per share prior to the fourth anniversary of the grant date		136,000
$20.00 per share prior to the fourth anniversary of the grant date		8,500
$22.50 per share prior to the fourth anniversary of the grant date		19,000
No vesting condition		29,170
Unvested RSUs, March 31, 2013		533,919

Schedule Of Restricted Stock Unit Information

	Number of RSUs Outstanding
Outstanding, October 1, 2012		464,584
Granted		127,500
Canceled		—
Vested		(58,165	)
Outstanding, March 31, 2013		533,919