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NET INCOME (LOSS) PER SHARE (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted loss per share

The following table sets forth the computation of basic and diluted net income per common share for the three and nine months ended September 30, 2021 and 2020 (in thousands, except per share amounts):

			Three Months Ended September 30,												Nine Months Ended September 30,
			2021						2020						2021						2020
Numerator:
Net income			$	17,660					$	130,119					$	47,110					$	131,008
Denominator:
Weighted average common shares outstanding—basic			44,476						42,928						44,151						42,393
Computation of diluted securities:
Dilutive effect of stock options			827						1,086						1,132						740
Dilutive effect of RSUs			160						261						337						200
Dilutive effect of conversion premium on the 2022 Notes			—						—						51						—
Dilutive effect of ESPP purchase options			—						—						3						—
Weighted average common shares outstanding—diluted			45,463						44,275						45,674						43,333
Net income per share:
Basic net income per common share			$	0.40					$	3.03					$	1.07					$	3.09
Diluted net income per common share			$	0.39					$	2.94					$	1.03					$	3.02

Schedule of potential dilutive effect of the securities excluded from the calculation of diluted loss per share

The following outstanding stock options, RSUs and ESPP purchase options are antidilutive in the periods presented (in thousands):

			Three Months Ended September 30,												Nine Months Ended September 30,
			2021						2020						2021						2020
Weighted average number of stock options			2,707						3,585						1,895						4,746
Weighted average number of RSUs			369						5						132						126
Weighted average ESPP purchase options			26						25						9						22
Total			3,102						3,615						2,036						4,894

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- References

No definition available.

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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