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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2023
Accounting Policies [Abstract] |
Summary of Impact of Accounts Receivable Reserves on Gross Trade Accounts Receivable Balances | The following table summarizes the impact of accounts receivable reserves on the gross trade accounts receivable balances at December 31, 2023 and 2022:
In thousands |  | December 31, 2023 |  |  | December 31, 2022 |
Gross trade accounts receivable |  | $ | 160,686 |  |  | $ | 187,418 |
Trade allowances |  |  | (18,834 | ) |  |  | (44,626 | )
Chargebacks |  |  | (8,289 | ) |  |  | (11,802 | )
Accounts receivable, net |  | $ | 133,563 |  |  | $ | 130,990 |
Calculation of Net (Loss) Income and Number of Shares Used to Compute Basic and Diluted Net (Loss) Earnings per Share | The calculation of net (loss) income and the number of shares used to compute basic and diluted net (loss) earnings per share for the years ended December 31, 2023, 2022, and 2021 are as follows:
In thousands |  | 2023 |  |  | 2022 |  |  | 2021 |
Net (loss) income —basic and diluted |  | $ | (59,112 | ) |  | $ | (105,803 | ) |  | $ | 7,729 |
Weighted average shares outstanding—basic |  |  | 407,655 |  |  |  | 401,155 |  |  |  | 395,992 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |
Stock options |  |  | — |  |  |  | — |  |  |  | 4,420 |
Restricted stock and restricted stock units |  |  | — |  |  |  | — |  |  |  | 2,068 |
Weighted average shares outstanding—diluted |  |  | 407,655 |  |  |  | 401,155 |  |  |  | 402,480 |
Net (loss) earnings per share—basic (1) |  | $ | (0.15 | ) |  | $ | (0.26 | ) |  | $ | 0.02 |
Net (loss) earnings per share—diluted (1) |  | $ | (0.15 | ) |  | $ | (0.26 | ) |  | $ | 0.02 |
Anti-Dilutive Securities Not Included in the Computation of Net (Loss) Earnings per Share | For the years ended December 31, 2023, 2022 and 2021, the following potentially dilutive securities were not included in the computation of net (loss) earnings per share because the effect would be anti-dilutive or because performance criteria were not yet met for awards contingent upon such measures:
In thousands |  | 2023 |  |  | 2022 |  |  | 2021 |
Stock options |  |  | 27,956 |  |  |  | 19,182 |  |  |  | 9,926 |
Restricted stock and restricted stock units |  |  | 11,983 |  |  |  | 14,461 |  |  |  | 3,764 |
Laxdale milestone shares |  |  | — |  |  |  | — |  |  |  | 1,984 |
Estimated Fair Value of Assets and Liability | The following tables present information about the estimated fair value of the Company’s assets and liabilities as of December 31, 2023 and 2022 and indicate the fair value hierarchy of the valuation techniques the Company utilized to determine such fair value:
|  | December 31, 2023 |
In thousands |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Asset: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury Shares |  | $ | 123,992 |  |  | $ | 123,992 |  |  | $ | — |  |  | $ | — |
Money Market Fund |  |  | 99,226 |  |  |  | 99,226 |  |  |  | — |  |  |  | — |
Agency Securities |  |  | 8,912 |  |  |  | — |  |  |  | 8,912 |  |  |  | — |
Repo Securities |  |  | 3,250 |  |  |  | — |  |  |  | 3,250 |  |  |  | — |
Total |  | $ | 235,380 |  |  | $ | 223,218 |  |  | $ | 12,162 |  |  | $ | — |
|  | December 31, 2022 |
In thousands |  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Asset: |  |  |  |  |  |  |  |  |  |  |  |
Money Market Fund |  | $ | 81,870 |  |  | $ | 81,870 |  |  | $ | — |  |  | $ | — |
Commercial Paper |  |  | 62,347 |  |  |  | — |  |  |  | 62,347 |  |  |  | — |
Corporate Bonds |  |  | 28,416 |  |  |  | — |  |  |  | 28,416 |  |  |  | — |
Certificate of Deposit |  |  | 9,100 |  |  |  | — |  |  |  | 9,100 |  |  |  | — |
Repo Securities |  |  | 3,250 |  |  |  | — |  |  |  | 3,250 |  |  |  | — |
U.S. Treasury Shares |  |  | 3,117 |  |  |  | 3,117 |  |  |  | — |  |  |  | — |
Agency Securities |  |  | 1,554 |  |  |  | 1,554 |  |  |  | — |  |  |  | — |
Non-US Government |  |  | 1,393 |  |  |  | — |  |  |  | 1,393 |  |  |  | — |
Asset Backed Securities |  |  | 1,260 |  |  |  | — |  |  |  | 1,260 |  |  |  | — |
Total |  | $ | 192,307 |  |  | $ | 86,541 |  |  | $ | 105,766 |  |  | $ | — |
Summary of Restructuring Charges | The following table sets forth the components of the Company's restructuring charges for the years ended December 31, 2023, 2022 and 2021:
|  | For the Year Ended December 31, |
In thousands |  | 2023 |  |  | 2022 |  |  | 2021 |
Employee restructuring separation charges |  | $ | 10,383 |  |  | $ | 9,310 |  |  | $ | 13,717 |
Vendor contract charges |  |  | 589 |  |  |  | 4,216 |  |  |  | — |
Total restructuring expense |  |  | 10,972 |  |  |  | 13,526 |  |  |  | 13,717 |
Restructuring inventory |  |  | 39,228 |  |  |  | 18,078 |  |  |  | — |
Stock forfeitures |  |  | 1,034 |  |  |  | 591 |  |  |  | — |
Total restructuring cash obligations incurred |  | $ | 51,234 |  |  | $ | 32,195 |  |  | $ | 13,717 |
Change in Restructuring Liability | The following table shows the change in restructuring liability which is included within accrued expenses and other current liabilities:
In thousands |  | Restructuring Liability |
Balance at December 31, 2022 |  | $ | 192 |
Restructuring cash obligations incurred |  |  | 51,234 |
Payments |  |  | (37,837 | )
Balance at December 31, 2023 |  | $ | 13,589 |

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