NET LOSS PER COMMON SHARE (Tables)

9 Months Ended

Sep. 30, 2019

The following table sets forth the computation of basic and diluted earnings per common share (in thousands of common shares):



	Three Months Ended September 30,					Nine Months Ended September 30,
	2019		2018			2019			2018
Numerator:
Net Income (Loss), basic	$	55,036	$	(12,620	)	$	(38,872	)	$	(73,561	)
Add: Interest on 2024 notes	937		—			—			—
Net Income (Loss), diluted	$	55,973	$	(12,620	)	$	(38,872	)	$	(73,561	)
Denominator:
Weighted-average common shares outstanding, basic	179,289		177,481			178,873			176,767
Effect of dilutive securities:
Options to purchase common stock	1,560		—			—			—
Common stock issuable under the 2024 notes	3,970		—			—			—
Unvested RSUs	669		—			—			—
Common stock potentially issuable for ESPP purchases	231		—			—			—
Common shares held by the NQDC	205		—			—			—
Weighted-average common shares outstanding, diluted	185,924		177,481			178,873			176,767
Net Income (Loss) per common share, basic	0.31		(0.07		)	(0.22		)	(0.42		)
Net Income (Loss) per common share, diluted	0.30		(0.07		)	(0.22		)	(0.42		)

Schedule Of Anti-Dilutive Common Stock Excluded From Computation of Diluted Net Loss Per Share

In addition to the equity instruments included in the table above, the table below presents potential shares of common stock that were excluded from the computation of diluted earnings per common share as they were anti-dilutive using the if-converted or treasury stock method (in thousands of common shares):



	Three Months Ended September 30,		Nine Months Ended September 30,
	2019	2018	2019	2018
Options to purchase common stock	5,829	7,517	7,388	7,517
Common stock issuable under the 2018 Notes	—	3,983	—	3,983
Common stock issuable under the 2020 Notes	3,983	3,983	3,983	3,983
Common stock issuable under the 2024 Notes	—	3,970	3,970	3,970
Unvested RSUs	3,360	3,411	4,029	3,411
Common stock potentially issuable for ESPP purchases	222	407	453	407
Common stock held by the NQDC	—	208	205	208
Total number of potentially issuable shares	13,394	23,479	20,028	23,479