STOCKHOLDERS' EQUITY Share-Based Compensation (Notes)

3 Months Ended

Mar. 31, 2018

STOCKHOLDERS’ EQUITY

Stock-Based Compensation

Information with respect to option shares granted under all of our stock incentive plans for the three months ended March 31, 2018 was as follows:



	Time-Based Shares		Performance-Based Shares	Total Shares		Weighted- Average Exercise Price	Weighted- Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (in thousands)
Options outstanding at January 1, 2018	2,290,017		—	2,290,017		$9.65
Granted	—		—	—		$—
Exercised	—		—	—		$—
Forfeited or canceled	(28,490	)	—	(28,490	)	$21.55
Options outstanding at March 31, 2018	2,261,527		—	2,261,527		$9.50	1.18	$—
Options vested at March 31, 2018 or expected to vest				2,261,527		$9.50	1.08	$—
Options exercisable at March 31, 2018				2,261,527		$9.50	1.18	$—

Information with respect to our non-vested restricted stock units for the three months ended March 31, 2018 was as follows:



	Non-Vested Restricted Stock Units
	Time-Based Shares		Performance-Based Shares		Total Shares		Weighted- Average Grant-Date Fair Value	Weighted- Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (in thousands)
Non-vested at January 1, 2018	1,809,138		1,254,110		3,063,248		$5.10
Granted	803,159		732,884		1,536,043		$4.55
Vested	(222,232	)	—		(222,232	)	$5.62
Forfeited	(448,001	)	(757,247	)	(1,205,248	)	$5.33
Non-vested at March 31, 2018	1,942,064		1,229,747		3,171,811		$4.71	1.26	$14,368
Expected to vest					2,674,948		$4.88	1.26	$12,118

Stock-based compensation was included in the following captions in our condensed consolidated statements of operations for the three months ended March 31, 2018 and 2017 (in thousands):



	Three Months Ended March 31,
	2018		2017
Cost of products revenues	$	19	$	15
Cost of services revenues	34		49
Research and development expenses	152		88
Marketing and selling expenses	360		356
General and administrative expenses	138		903
	$	703	$	1,411