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Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of Calculation of Basic and Diluted Earnings per Share

The calculation of basic and diluted earnings per share was as follows (in thousands, except share and per share data):

			Year Ended December 31,
			2022						2021						2020
Net loss attributable to common stockholders			$	(70,705)					$	(52,368)					$	(114,119)
Weighted-average common shares outstanding			107,269,331						103,246,308						96,111,547
Basic and diluted net loss per share			$	(0.66)					$	(0.51)					$	(1.19)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following is a summary of outstanding potential shares of common stock that have been excluded from the computation of diluted net loss per share attributable to common stockholders because their inclusion would have been anti-dilutive:

			Year Ended December 31,
(in thousands)			2022						2021						2020
Convertible notes			14,090						14,341						14,784
Warrants			—						2,500						2,500
Non-qualified stock options			8,133						8,086						8,480
Restricted stock units			1,178						1,248						417
Employee Stock Purchase Plan			426						144						25
Total			23,827						26,319						26,206

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- References

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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 https://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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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