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Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule of share-based compensation expense

Total following table summarized share-based compensation expense included in our condensed consolidated statements of income related to share-based awards (in thousands):

						Three Months Ended  March 31,
						2023						2022
Research and development						$	3,101					$	2,017
Selling, general and administrative						4,865						2,725
Share-based compensation expense						$	7,966					$	4,742

Schedule of share-based compensation expense by type

Share-based compensation expense by type of share-based award (in thousands):

						Three Months Ended  March 31,
						2023						2022
Stock options						$	3,455					$	2,620
RSUs, PSUs and ESPP						4,511						2,122
						$	7,966					$	4,742

Schedule of assumptions used in Black-Scholes model

The assumptions used in the Black-Scholes model were as follows:

						Three Months Ended  March 31,
						2023						2022
Expected volatility						39.68 - 39.98%						41.14 - 41.23%
Average expected term (in years)						4.8						4.7
Risk-free interest rate						3.48 - 4.27%						1.37 - 1.90%
Expected dividend yield						—						—

Schedule of unrecognized estimated compensation cost by type

Total unrecognized estimated compensation cost by type of award and the weighted-average remaining requisite service period over which such expense is expected to be recognized was as follows (in thousands, unless otherwise noted):

						March 31, 2023
						Unrecognized Expense						Remaining Weighted-Average Recognition Period (years)
Stock options						$	45,810					3.00
RSUs						44,291						2.94
PSUs						9,351						2.12
ESPP						111						0.21

X

- Definition

Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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- Definition

Tabular disclosure of cost not yet recognized and weighted-average period over which cost is expected to be recognized for nonvested award under share-based payment arrangement.

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