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Share-Based Payments (Tables)

9 Months Ended

Sep. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock-Based Compensation Costs

Stock-based compensation costs included in the consolidated statements of operations are presented below:

	Three Months Ended   September 30,								Nine Months Ended   September 30,
	2016				2015				2016				2015
Cost of products	$	21			$	21			$	61			$	76
Cost of services	68				98				206				301
Research and development	2,236				2,234				6,979				6,141
Selling, general and administrative	8,467				6,032				23,385				20,006
Total	$	10,792			$	8,385			$	30,631			$	26,524

Schedule of Stock Option Activity

Stock option activity was as follows:

	Number of Shares			Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (Years)
Balances at December 31, 2015	11,043,528			$	32.66			8.49
Granted	4,384,860			29.42
Exercised	(1,162,843	)		(15.63		)
Forfeited	(2,127,334	)		(43.29		)
Expired	(34,804	)		(35.76		)
Balances at September 30, 2016	12,103,407			31.24				8.50
Exercisable at September 30, 2016	3,369,252			27.99				7.25
Vested and Expected to Vest at September 30, 2016(1)	10,177,058			30.99				8.37

(1) The number of stock options expected to vest takes into account an estimate of expected forfeitures.

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- References

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- Definition

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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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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