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Stock Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2016

Stock Incentive Plans.

Summary of the Company's stock option activity

		Shares		Weighted- Average Exercise Price			Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2015		1,723,554		$	6.66		7.92		$	4,267
Granted		514,145		4.57
Exercised		(28,119	)	2.21
Cancelled or forfeited		(12,550	)	7.29
Outstanding at March 31, 2016		2,197,030		$	6.22		8.20		$	2,070
Exercisable at March 31, 2016		870,918		$	3.97		6.71		$	1,695
Vested or expected to vest at March 31, 2016		2,013,343		$	6.09		8.09		$	2,025

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- References

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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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