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v3.24.0.1

Convertible Debt - Narrative (Details) - USD ($) |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 01, 2024 | Mar. 01, 2019 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2022 | Feb. 19, 2019
Debt Instrument [Line Items] |  |  |  |  |  |  |
Accumulated deficit |  |  | $ (1,622,965,136) | $ (1,487,847,784) |  |  |
Additional paid-in capital |  |  | (1,740,954,074) | (1,710,888,191) |  |  |
Interest expense |  |  | 1,222,789 | 1,253,952 | $ 1,936,447 |  |
Accounting Standards Update 2020-06 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Accumulated deficit |  |  |  |  |  | $ 1,800,000 |
Additional paid-in capital |  |  |  |  |  | 3,300,000 |
Convertible senior notes |  |  |  |  |  | $ 1,500,000 |
6.50% Convertible Senior Notes Due 2024 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  |  | 78,500,000 |  |  |  |
Debt issuance costs, net |  |  | 0 |  |  |  |
Convertible Debt |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt issuance costs, net |  |  | $ 2,200,000 |  |  |  |
Convertible Debt | 6.50% Convertible Senior Notes Due 2024 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 78,500,000 |  |  |  |  | $ 78,500,000
Debt interest based on the fixed rate |  | 6.50% |  |  |  |  | 6.50%
Proceeds from issuance of debt |  | $ 75,700,000 |  |  |  |  |
Debt instrument, unamortized discount |  | $ 16,300,000 |  |  |  |  |
Debt instrument, interest rate, effective percentage |  |  | 13.10% |  |  |  |
Debt issuance costs, net |  |  | $ 592,000 |  |  |  |
Interest expense |  |  | 1,200,000 | $ 1,300,000 | $ 1,900,000 |  |
Interest expense, debt |  |  | $ 1,100,000 |  |  |  |
Convertible Debt | 6.50% Convertible Senior Notes Due 2024 | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of convertible debt | $ 16,900,000 |  |  |  |  |  |

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