Share-Based Payments (Tables)

6 Months Ended

Jun. 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   June 30,				Six Months Ended   June 30,
	2016		2015		2016		2015
Cost of products	$	20	$	21	$	40	$	55
Cost of services	70		105		138		203
Research and development	2,178		2,138		4,743		3,907
Selling, general and administrative	4,383		5,616		14,918		13,974
Total	$	6,651	$	7,880	$	19,839	$	18,139

Schedule of Stock Option Activity

Stock option activity under Intrexon's award plans 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	3,137,860		30.66
Exercised	(1,113,327	)	(15.87		)
Forfeited	(1,752,627	)	(45.24		)
Expired	(3,909	)	(30.35		)
Balances at June 30, 2016	11,311,525		31.81			8.56
Exercisable at June 30, 2016	2,754,250		25.36			7.15
Vested and Expected to Vest at June 30, 2016(1)	9,441,799		31.39			8.43

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