Stockholders' Equity (Tables)

3 Months Ended

Dec. 31, 2017

Stockholders' Equity Note [Abstract]

Summary of stock option activity

A summary of the Company’s stock option activity for the three months ended December 31, 2017 and year ended September 30, 2017 is as follows:

	Options		Weighted- Average Exercise Price
Options outstanding at September 30, 2016	1,708,487		$	13.91
Options granted	232,845		9.18
Options exercised	(12,421	)	7.41
Options canceled	(223,938	)	13.00
Options outstanding at September 30, 2017	1,704,973		13.43
Options granted	531,300		4.65
Options exercised	—		—
Options canceled	(225,516	)	12.39
Options outstanding at December 31, 2017	2,010,757		11.23
Options exercisable at December 31, 2017	1,109,171		15.30

Summary of restricted share activity

A summary of the Company’s restricted share activity for the three months ended December 31, 2017 and year ended September 30, 2017 is as follows:

	Restricted Shares		Weighted- Average Fair Value
Unvested restricted shares at September 30, 2016	2,661,245		$	9.34
Restricted shares granted	849,352		8.78
Restricted shares vested	(748,266	)	11.04
Restricted shares canceled	(571,900	)	9.81
Unvested restricted shares at September 30, 2017	2,190,431		8.42
Restricted shares granted	77,600		3.66
Restricted shares vested	(386,330	)	9.19
Restricted shares canceled	(280,997	)	10.18
Unvested restricted shares at December 31, 2017	1,600,704		7.70