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Acquisitions and Other Strategic Transactions | 12 Months Ended
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Dec. 31, 2022
Business Combinations [Abstract] |
Acquisitions and Other Strategic Transactions | 3.ACQUISITIONS AND OTHER STRATEGIC TRANSACTIONS 2022 Acquisitions On October 3, 2022, we entered into an asset purchase agreement with BioTrace Medical, Inc., developer of the Tempo® Temporary Pacing Lead device, for a purchase price of $2.5 million. We are also required to pay a total of six annual royalty payments between 5% and 10% of net sales, dependent on net sales goal achievement, upon achievement of the first device sold in the United States. We accounted for this transaction as an asset purchase. We recorded the amount paid upon closing as a developed technology intangible asset, which we are amortizing over 10 years. On April 30, 2022, we acquired the Restore Endosystems Bifurcated Stent System pursuant to the terms of a unit purchase agreement we executed with all of the members of Restore Endosystems. Subject to the terms and conditions of the unit purchase agreement, we paid $3 million in cash at closing. We also accrued $3.5 million of other long-term obligations, which represents the fair value of two separate $2 million payments which are payable no later than two and four years following the closing of the acquisition, respectively, or earlier upon the achievement of specified milestones. We will impute interest on these liabilities with the passage of time. We have accounted for this transaction as an asset purchase and recorded $6.5 million of acquired in-process research and development expense because the technological feasibility of the underlying research and development project has not yet been reached and such technology has no identified future alternative use as of the date of acquisition. During April 2022, we paid $1.4 million to acquire shares of series A preferred stock of Fluidx Medical Technology, Inc.("Fluidx"), owner of certain technology proposed to be used in the development of embolic and adhesive agents for use in arterial, venous, vascular graft and cardiovascular applications inside and outside the heart and related appendages. We had previously purchased, and continue to hold, $4.7 million of participating preferred shares of Fluidx. Our investments have been recorded as equity investments accounted for at cost and reflected within other assets in the accompanying consolidated balance sheets because we are not able to exercise significant influence over the operations of Fluidx. Our total current investment in Fluidx represents an ownership of approximately 17% of its outstanding capital stock. ​ 2021 Acquisitions During September 2021, we paid $2.7 million to acquire series A preferred shares of Fluidx. We had previously purchased $2 million of participating preferred shares during 2019. Our investment has been recorded as an equity investment accounted for at cost and reflected within other assets in the accompanying consolidated balance sheets because we are not able to exercise significant influence over the operations of Fluidx. Our total current investment in Fluidx represents an ownership of 15.0% of the outstanding stock. ​ 2020 Acquisitions On November 6, 2020, we entered into a unit purchase agreement to acquire KA Medical, LLC (“KA Medical”). Subject to the terms and conditions of the unit purchase agreement, we paid $14.6 million in cash, net of cash acquired, including adjustments for working capital and deferred payments of $4 million. KA Medical developed the Micro Plug Set, a self-expanding nitinol vascular occlusion device, which is FDA-cleared and CE marked. We accounted for this acquisition as a business combination. The sales and results of operations related to the acquisition have been included in our cardiovascular segment since the acquisition date and were not material for the years ended December 31, 2022, 2021 and 2020. Acquisition-related costs associated with the KA Medical acquisition, which were included in selling, general and administrative expenses, were not material. During the fourth quarter of 2021, certain immaterial measurement period adjustments were recorded to our purchase price allocation. The purchase price was allocated as follows (in thousands): ​
​ | ​ | ​ | ​
Assets Acquired |  | ​ |
Trade receivables | ​ | $ | 24
Other receivables | ​ | ​ | 13
Inventories | ​ |  | 211
Property and equipment | ​ | ​ | 298
Other long-term assets | ​ | ​ | 10
Intangible assets | ​ |  | ​
Developed technology | ​ | ​ | 6,000
Goodwill | ​ | ​ | 8,570
Total assets acquired | ​ |  | 15,126
​ | ​ | ​ | ​
Liabilities Assumed | ​ |  |
Trade payables | ​ |  | (31)
Accrued expenses | ​ |  | (507)
Total liabilities assumed | ​ |  | (538)
​ | ​ | ​ | ​
Total net assets acquired | ​ | $ | 14,588
​ We are amortizing the developed technology intangible asset acquired from KA Medical over 17 years. The goodwill consists largely of the synergies expected from combining operations and is expected to be deductible for income tax purposes. We do not deem the pro forma effects to our consolidated results of operations of the KA Medical acquisition to be material.

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