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Stockholders' Equity (Tables)

9 Months Ended

Jun. 30, 2016

Equity [Abstract]

Stock-Based Compensation Expense Related to Stock Options and RSUs

The following table summarizes stock-based compensation expense related to stock options and RSUs, which was allocated as follows (amounts shown in thousands):

		Three Months Ended June 30,								Nine Months Ended June 30,
		2016				2015				2016				2015
Cost of Sales		$	37			$	1			$	89			$	1
Sales and marketing			260				176				748				543
Research and development			159				130				502				427
General and administrative			491				503				1,769				1,524
Stock-based compensation expense included in expenses		$	947			$	810			$	3,108			$	2,495

Fair Value Calculations for Stock-Based Compensation Awards

    The fair value calculations for stock-based compensation awards to employees for the nine months ended June 30, 2016 and 2015 were based on the following assumptions:

		Nine Months Ended June 30, 2016				Nine Months Ended June 30, 2015
Risk-free interest rate		1.43% – 1.75%				1.29% – 1.66%
Expected life (years)			5.90				5.25
Expected volatility			83%				98%
Expected dividends		None				None

Stock Option Activity

The following table summarizes stock option activity under the Company’s equity plans during the nine months ended June 30, 2016:

		Number of Shares				Weighted- Average Exercise Price				Weighted-Average Remaining Contractual Term (in Years)
Outstanding, September 30, 2015			3,647,705			$	3.70				7.15
Granted			98,500			$	4.51
Exercised			(612,347	)		$	2.61
Cancelled			(47,084	)		$	4.28
Outstanding, June 30, 2016			3,086,774			$	3.94				6.69

RSU Activity

The following table summarizes RSU activity under the Company’s equity plans during the nine months ended June 30, 2016:

		Number of Shares				Weighted-Average Fair Market Value Per Share
Outstanding, September 30, 2015			802,917			$	4.49
Granted			1,414,000			$	4.59
Settled			(255,371	)		$	4.95
Cancelled			(28,127	)		$	4.17
Outstanding, June 30, 2016			1,933,419			$	4.51

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ 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 (h)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

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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

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

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