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

3 Months Ended

Mar. 31, 2017

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, 2016		15,787		$	4.39
Granted		2,542			4.33
Forfeited		(265	)		5.24
Expired		(61	)		5.77
Exercised		(6	)		3.15
Balances at March 31, 2017		17,997			4.37

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 Shares Outstanding			Weighted Average Grant Date Fair Value per Share
Balances at December 31, 2016		739		$	5.26
Granted (1)		835			4.33
Forfeited		(22	)		4.97
Vested		(198	)		5.06
Balances at March 31, 2017		1,354			4.72

(1) Includes the maximum number of shares issuable under the performance-based restricted stock unit awards granted during the three months ended March 31, 2017.