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Financing Arrangements (Tables) | 9 Months Ended
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Sep. 30, 2024
Debt Instrument [Line Items] |
Summary of Current and Non-current Debt | The following table summarizes the current and non-current debt as of September 30, 2024 and December 31, 2023:
|  | September 30, 2024 |  |  | December 31, 2023 |
Credit Agreement |  | $ | — |  |  | $ | — |
Convertible Senior Notes due 2025 |  |  | 13.2 |  |  |  | 13.2 |
Total debt |  | $ | 13.2 |  |  | $ | 13.2 |
Less current portion of debt |  |  | 13.2 |  |  |  | 13.2 |
Total non-current portion of debt |  | $ | — |  |  | $ | — |
Schedule of Interest (income) Expense | The following table provides the components of interest (income) expense, net for the three and nine months ended September 30, 2024 and 2023:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Interest expense |  | $ | 0.7 |  |  | $ | 0.6 |  |  | $ | 2.0 |  |  | $ | 1.9 |
Interest income |  |  | (3.1 | ) |  |  | (2.4 | ) |  |  | (9.6 | ) |  |  | (6.9 | )
Interest (income) expense, net |  | $ | (2.4 | ) |  | $ | (1.8 | ) |  | $ | (7.6 | ) |  | $ | (5.0 | )
Convertible Senior Notes due 2025 |
Debt Instrument [Line Items] |
Schedule of Components of Convertible Notes | The components of the Convertible Senior Notes due 2025 as of September 30, 2024 and December 31, 2023 were as follows:
|  | September 30, 2024 |  |  | December 31, 2023 |
Principal |  | $ | 13.3 |  |  | $ | 13.3 |
Less: Debt issuance costs, net of amortization |  |  | (0.1 | ) |  |  | (0.1 | )
Convertible Senior Notes due 2025, net |  | $ | 13.2 |  |  | $ | 13.2 |
Convertible Notes |
Debt Instrument [Line Items] |
Schedule of Interest (income) Expense | The following table sets forth interest expense recognized specifically related to the Convertible Notes:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
Contractual interest expense |  | $ | 0.2 |  |  | $ | 0.2 |  |  | $ | 0.6 |  |  | $ | 0.7 |
Amortization of debt issuance costs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 0.1 |
Total |  | $ | 0.2 |  |  | $ | 0.2 |  |  | $ | 0.6 |  |  | $ | 0.8 |

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