Commitments and Contingencies	6 Months Ended
Mar. 31, 2021
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	17. Commitments and Contingencies InnoCore Technologies BV. In 2006, the Company entered into a license agreement whereby the Company obtained an exclusive license to a drug-delivery coating for licensed products within the vascular field, which included peripheral, coronary and neurovascular biodurable stent products. The license requires an annual, minimum payment of approximately $0.2 million (at the Euro to US dollar exchange rate as of March 31, 2021) until the last patent expires, which is currently estimated to be May 2027. The total minimum future payments associated with this license are approximately $1.5 million as of March 31, 2021. The license is currently utilized by one of the Company’s drug delivery customers. Clinical Trials. The Company has engaged clinical trial clinical research organization (“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 $29 million in the aggregate. As of March 31, 2021, an estimated $8 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 $35 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 the fiscal 2019, the Company acquired certain intellectual property assets supporting ongoing development of the Company’s medical device pipeline and paid the sellers $0.8 million in fiscal 2019 and $0.2 million in the first quarter of fiscal 2021. An additional $1.1 million in payments is contingent upon achievement of certain strategic milestones within a contingency period ending in 2022. 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 the second quarter of fiscal 2020, and $1.0 million in the first quarter of fiscal 2021. The Company is obligated to pay additional installments totaling $2.5 million in fiscal 2022 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 certain regulatory milestones within a contingency period ending in 2033. As of March 31, 2021, $0.5 million and $1.8 million related to these asset acquisitions was recorded in other accrued liabilities and other long-term liabilities, respectively, on the condensed consolidated balance sheets. As of September 30, 2020, $1.1 million and $2.2 million related to these asset acquisitions was reported in other accrued liabilities and other long-term liabilities, respectively, on the condensed consolidated balance sheets.

Commitments and Contingencies

6 Months Ended

Mar. 31, 2021

Commitments And Contingencies Disclosure [Abstract]

17. Commitments and Contingencies

InnoCore Technologies BV. In 2006, the Company entered into a license agreement whereby the Company obtained an exclusive license to a drug-delivery coating for licensed products within the vascular field, which included peripheral, coronary and neurovascular biodurable stent products. The license requires an annual, minimum payment of approximately $0.2 million (at the Euro to US dollar exchange rate as of March 31, 2021) until the last patent expires, which is currently estimated to be May 2027. The total minimum future payments associated with this license are approximately $1.5 million as of March 31, 2021. The license is currently utilized by one of the Company’s drug delivery customers.

Clinical Trials. The Company has engaged clinical trial clinical research organization (“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 $29 million in the aggregate. As of March 31, 2021, an estimated $8 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 $35 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 the fiscal 2019, the Company acquired certain intellectual property assets supporting ongoing development of the Company’s medical device pipeline and paid the sellers $0.8 million in fiscal 2019 and $0.2 million in the first quarter of fiscal 2021. An additional $1.1 million in payments is contingent upon achievement of certain strategic milestones within a contingency period ending in 2022.

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 the second quarter of fiscal 2020, and $1.0 million in the first quarter of fiscal 2021. The Company is obligated to pay additional installments totaling $2.5 million in fiscal 2022 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 certain regulatory milestones within a contingency period ending in 2033.

As of March 31, 2021, $0.5 million and $1.8 million related to these asset acquisitions was recorded in other accrued liabilities and other long-term liabilities, respectively, on the condensed consolidated balance sheets. As of September 30, 2020, $1.1 million and $2.2 million related to these asset acquisitions was reported in other accrued liabilities and other long-term liabilities, respectively, on the condensed consolidated balance sheets.