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Commitments and Contingencies (Details) |  |  |  |  |  |  |  |  |  |  |  |  | 9 Months Ended | 12 Months Ended | 16 Months Ended
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Mar. 08, 2023 USD ($) | Apr. 19, 2022 case | Mar. 11, 2022 stockholder | Mar. 07, 2022 stockholder | Mar. 05, 2022 case | Feb. 28, 2022 case | Dec. 24, 2021 USD ($) case | Sep. 11, 2020 | Oct. 02, 2019 | Mar. 24, 2015 patent | Feb. 15, 2015 | Feb. 11, 2015 patent | Sep. 30, 2023 lawsuit | Dec. 31, 2021 case | Sep. 30, 2017 patent
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits dismissed |  |  |  |  |  |  |  |  |  |  |  |  |  | 13 |
Claims settled |  |  |  |  |  |  | 27 |  |  |  |  |  |  |  |
Xtampza ER Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents listed in FDA Orange Book | patent |  |  |  |  |  |  |  |  |  |  |  | 11 |  |  |
Stay period before FDA can issue a final approval unless it is terminated |  |  |  |  |  |  |  |  |  | 30 months | 30 months |  |  |  |
Number of patents allegedly infringed | patent |  |  |  |  |  |  |  |  |  | 3 |  | 5 |  |  | 2
Number of lawsuits filed | patent |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
PTAB duration for issuing decision |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |
Statutory period of proceedings |  |  |  |  |  |  |  | 18 months |  |  |  |  |  |  |
Xtampza ER Litigation | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
PTAB extended duration for issuing decision |  |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |
Xtampza ER Litigation, District of Massachusetts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stay period before FDA can issue a final approval unless it is terminated |  |  |  |  |  |  |  |  |  | 30 months |  |  |  |  |
Number of patents allegedly infringed | patent |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |
Opioid Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |
Number of lawsuits dismissed |  | 8 |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount awarded to other party | $ |  |  |  |  |  |  | $ 2,750,000 |  |  |  |  |  |  |  |
Claims settled |  |  |  |  |  |  | 27 |  |  |  |  |  |  |  |
Opioid Litigation, Massachusetts state court |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits by municipalities | lawsuit |  |  |  |  |  |  |  |  |  |  |  |  | 13 |  |
Multi-District Litigation (MDL) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits filed |  |  |  |  |  |  |  |  |  |  |  |  |  | 21 |
Number of lawsuits dismissed |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |
Claims settled |  |  |  |  |  |  | 8 |  |  |  |  |  |  |  |
State court |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Claims settled |  |  |  |  |  |  | 19 |  |  |  |  |  |  |  |
BDSI Acquisition Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of additional cases filed |  |  |  |  | 2 | 2 |  |  |  |  |  |  |  |  |
Number of demand letters received from purported stockholders | stockholder |  |  | 4 | 3 |  |  |  |  |  |  |  |  |  |  |
Aquestive Therapeutics, Inc Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation settlement, amount awarded to other party | $ | $ 8,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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