Share Based Compensation (Tables)

6 Months Ended

Mar. 31, 2018

A summary of the stock option activity as of March 31, 2018 is presented below (amounts in thousands except per share amounts):



	Options		Weighted Average Exercise Price/Share		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at September 30, 2017	9,060		$	5.18	7.5 years	$	11,011
Granted	34		24.25
Exercised	(1,018	)	4.74
Forfeited	(87	)	7.65
Expired	—		—
Outstanding at March 31, 2018	7,989		5.29		7.9 years	$	10,045
Options exercisable at March 31, 2018	5,516		$	4.87	6.5 years	$	5,569

A summary of the status of the Company's non-vested stock options as of and for the six month period ended March 31, 2018 is presented below.



	Shares		Weighted Average Grant Date Fair Value/Share
Nonvested at September 30, 2017	4,300		$	1.36
Granted	34
Vested	(1,774	)	1.07
Forfeited	(87	)	2.00
Nonvested at March 31, 2018	2,473		$	1.59

The total fair value of options vested during the six months ended March 31, 2018, was $1,670.

The following is a summary of the RSU activity for the six months ended March 31, 2018.



	Shares		Weighted Average Grant Date Fair Value/Share
Outstanding at September 30, 2017	—		$	—
Granted	1,201		20.89
Forfeited	(4	)	20.88
Outstanding at March 31, 2018	1,197		$	20.89