Commitments and Contingencies	12 Months Ended
Sep. 30, 2022
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	11. Commitments and Contingencies Clinical Trials. The Company has engaged CRO consultants to assist with the administration of its ongoing clinical trials. The Company has executed separate contracts with two CROs for services rendered in connection with the TRANSCEND pivotal clinical trial for the SurVeil DCB, including pass-through expenses paid by the CROs, of up to approximately $30 million in the aggregate. As of September 30, 2022, an estimated $5 million remains to be paid on these contracts, which may vary depending on actual pass-through expenses incurred to execute the trial. The Company estimates that the total cost of the TRANSCEND clinical trial will be in the range of $37 million to $40 million from inception to completion. In the event the Company were to terminate any trial, it may incur certain financial penalties, which would become payable to the CRO for costs to wind down the terminated trial. Asset Acquisitions. In fiscal 2018, the Company acquired certain intellectual property assets of Embolitech, LLC (the “Embolitech Transaction”). As part of the Embolitech Transaction, the Company paid the sellers $5.0 million in fiscal 2018, $1.0 million in fiscal 2020, $1.0 million in fiscal 2021 and $0.5 million in fiscal 2022. The Company is obligated to pay additional installments totaling $2.0 million in fiscal 2023 through fiscal 2024. These payments may be accelerated upon the occurrence of certain sales and regulatory milestones. An additional $1.0 million payment is contingent upon the achievement of a certain regulatory milestone within a contingency period ending in 2033. Business Combinations. See Note 12 Acquisitions for disclosure of the fiscal 2021 acquisition of Vetex and associated deferred and contingent consideration liabilities.

Commitments and Contingencies

12 Months Ended

Sep. 30, 2022

Commitments And Contingencies Disclosure [Abstract]

11. Commitments and Contingencies

Clinical Trials. The Company has engaged CRO consultants to assist with the administration of its ongoing clinical trials. The Company has executed separate contracts with two CROs for services rendered in connection with the TRANSCEND pivotal clinical trial for the SurVeil DCB, including pass-through expenses paid by the CROs, of up to approximately $30 million in the aggregate. As of September 30, 2022, an estimated $5 million remains to be paid on these contracts, which may vary depending on actual pass-through expenses incurred to execute the trial. The Company estimates that the total cost of the TRANSCEND clinical trial will be in the range of $37 million to $40 million from inception to completion. In the event the Company were to terminate any trial, it may incur certain financial penalties, which would become payable to the CRO for costs to wind down the terminated trial.

Asset Acquisitions. In fiscal 2018, the Company acquired certain intellectual property assets of Embolitech, LLC (the “Embolitech Transaction”). As part of the Embolitech Transaction, the Company paid the sellers $5.0 million in fiscal 2018, $1.0 million in fiscal 2020, $1.0 million in fiscal 2021 and $0.5 million in fiscal 2022. The Company is obligated to pay additional installments totaling $2.0 million in fiscal 2023 through fiscal 2024. These payments may be accelerated upon the occurrence of certain sales and regulatory milestones. An additional $1.0 million payment is contingent upon the achievement of a certain regulatory milestone within a contingency period ending in 2033.

Business Combinations. See Note 12 Acquisitions for disclosure of the fiscal 2021 acquisition of Vetex and associated deferred and contingent consideration liabilities.