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Stock-Based Compensation (Tables)

6 Months Ended

Mar. 31, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summarized Information about Stock Options

The following table summarizes information about stock options:

	Number of Options Outstanding				Weighted- Average Exercise Price Per Share				Weighted- Average Remaining Contractual Term				Aggregate Intrinsic Value
Balance At September 30, 2016		6,691,200			$	6.56
Granted		573,000				2.00
Cancelled		(1,308,874)				7.38
Exercised		(135,730)				2.01
Balance At March, 31, 2017		5,819,596			$	6.03				6.1 years			$	150,000
Exercisable At March 31, 2017		3,868,016			$	6.31				6.0 years			$	0

Assumptions Used to Value Stock Options

The assumptions used to value stock options are as follows:

		Six Months Ended March 31,
		2017			2016
Dividend yield		—			—
Risk-free interest rate		1.34 – 2.06%			1.44 – 1.89%
Volatility		79%			89%
Expected life (in years)		5.75 - 6.25			6.25
Weighted average grant date fair value per share of options granted		$1.36			$4.59

Summary of Share Activity Related to RSUs

The following table summarizes the activity of the Company’s RSUs:

	Number of RSUs				Weighted- Average Grant Date Fair Value
Unvested at September 30, 2016		1,356,667			$	6.72
Granted		1,645,000				1.55
Vested		(773,333	)			6.89
Forfeited		—				—
Unvested at March 31, 2017		2,228,334			$	2.84

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- Definition

Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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