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Net Income (Loss) Per Share (Tables)
12 Months Ended
Dec. 31, 2022
Net Income (Loss) Per Share  
Calculation of Historical Outstanding Dilutive Securities Not Included in Diluted Loss per Share

Year Ended December 31, 

2022

    

2021

    

2020

2026 Notes convertible to common stock (1)

12,172,008

12,172,008

6,086,004

2023 Notes convertible to common stock (1)

4,941,739

4,941,739

7,932,791

Outstanding options to purchase common stock

9,488

1,707,371

1,585,332

Outstanding restricted stock units

98,750

2,642

Outstanding warrants to purchase common stock

10,792

Total potentially dilutive shares excluded from net income (loss) per share

17,221,985

18,823,760

15,614,919

(1)The 2023 Notes and 2026 Notes (defined below) are subject to a capped call arrangement that potentially reduces the dilutive effect as described in “Note 8 - Unsecured Convertible Senior Notes”. Any potential impact of the capped call arrangement is excluded from this table.