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Commitments and Contingencies | 12 Months Ended
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Sep. 30, 2020
Commitments And Contingencies Disclosure [Abstract] |
Commitments and Contingencies | NOTE 7. COMMITMENTS AND CONTINGENCIES Litigation From time to time, the Company may be subject to various claims and legal proceedings in the ordinary course of business. If the potential loss from any claim, asserted or unasserted, or legal proceeding is considered probable and the amount is reasonably estimable, the Company will accrue a liability for the estimated loss. There were no contingent liabilities recorded as of the year ended September 30, 2020. Purchase Commitments In the normal course of business, the Company enters into various purchase commitments for the manufacture of drug components, for toxicology studies and for clinical studies. As of September 30, 2020, these future commitments were estimated at approximately $78.0 million, of which approximately $60.2 million is expected to be incurred in fiscal 2021, and $17.8 million is expected to be incurred beyond fiscal 2021. Technology License Commitments The Company has licensed from third parties the rights to use certain technologies for its research and development activities, as well as in any products the Company may develop using these licensed technologies. These agreements and other similar agreements often require milestone and royalty payments. Milestone payments, for example, may be required as the research and development process progresses through various stages of development, such as when clinical candidates enter or progress through clinical trials, upon NDA and upon certain sales level milestones. These milestone payments could amount to the mid to upper double-digit millions of dollars. During the year ended September 30, 2020, the Company incurred $2.4 million of milestone payments related to the progression of the ARO-ENaC and ARO-HIF2 candidates. During the years ended September 30, 2019 and 2018, the Company did not trigger any milestone payments. In certain agreements, the Company may be required to make mid to high single-digit percentage royalty payments based on a percentage of the sales of the relevant products.

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