Stock-Based Compensation (Tables) - 2008 Equity Incentive Plan

9 Months Ended

Sep. 30, 2018

Activity Under Equity Incentive Plans Related to Stock Options

Activity under the Company’s equity incentive plans related to stock options is set forth below (in thousands except per share amounts):

	Number of Options Outstanding			Weighted Average Exercise Price per Share
Balances at December 31, 2017		17,138		$	4.27
Granted		3,145			4.61
Exercised		(1,906	)		3.43
Forfeited		(604	)		4.66
Expired		(151	)		5.93
Balances at September 30, 2018		17,622			4.39

Activity Under Equity Incentive Plans Related to RSUs

Activity under the Company’s equity incentive plans related to RSUs is set forth below (in thousands except per share amounts):

	Number of RSUs Unvested			Weighted Average Grant Date Fair Value per Share
Balances at December 31, 2017		1,256		$	4.53
Granted ⁽¹⁾		1,382			4.45
Vested		(521	)		4.45
Forfeited		(139	)		4.20
Balances at September 30, 2018		1,978			4.52

(1)

Includes the number of shares issuable under the performance-based restricted stock unit awards granted during the nine months ended September 30, 2018.