Significant Accounting Policies (Policies)	9 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]
Basis of Accounting, Policy [Policy Text Block]	Basis of Presentation The interim condensed consolidated financial statements of the Company presented herein have been prepared by the Company and are unaudited. They have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) and with instructions to Form 10-Q and Article 10 of Regulation S-X. They reflect all adjustments which are, in the opinion of management, necessary for a fair presentation of the results for the periods presented. The interim condensed consolidated financial statements include the accounts of the Company and its consolidated subsidiaries. All material intercompany transactions and balances have been eliminated in consolidation. The Company evaluates its voting and variable interests in entities on a qualitative and quantitative basis. The Company consolidates entities in which it concludes it has the power to direct the activities that most significantly impact an entity’s economic success and has the obligation to absorb losses or the right to receive benefits that could be significant to the entity. During the nine months ended September 30, 2021, the Company operated and managed our business under one segment. This is consistent with disclosures in the Company's Annual Report on Form 10-K for the year ended December 31, 2020. Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted. These condensed consolidated financial statements should be read in conjunction with the Company's Consolidated Financial Statements and Notes thereto for the fiscal year ended December 31, 2020, included in the Company's Annual Report on Form 10-K.
Use of Estimates, Policy [Policy Text Block]	Use of Estimates The Company makes estimates and assumptions relating to the reporting of assets and liabilities, the recording of reported amounts of revenues and expenses and the disclosure of contingent assets and liabilities to prepare these condensed consolidated financial statements. Actual results could differ from those estimates. Considerable management judgment is necessary in estimating future cash flows and other factors affecting the valuation of goodwill and intangible assets, including the operating and macroeconomic factors that may affect them. The Company uses historical financial information, internal plans and projections and industry information in making such estimates.
New Accounting Pronouncements, Policy [Policy Text Block]	Reclassification Certain prior year amounts have been reclassified for consistency with the current year presentation. The adjustments include 1) the additional revenue market of Interventional Catheters which was reclassified from Other Medical in Footnote 3 Revenue Recognition and 2) the addition of Acquisition costs as a separate line item from Other operating (income) expenses within Operating Expenses on the condensed consolidated statement of operations. These reclassifications had no impact on the reported results of operations.

Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2021

Basis of Accounting, Policy [Policy Text Block]

Basis of Presentation

The interim condensed consolidated financial statements of the Company presented herein have been prepared by the Company and are unaudited. They have been prepared in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP) and with instructions to Form 10-Q and Article 10 of Regulation S-X. They reflect all adjustments which are, in the opinion of management, necessary for a fair presentation of the results for the periods presented.

The interim condensed consolidated financial statements include the accounts of the Company and its consolidated subsidiaries. All material intercompany transactions and balances have been eliminated in consolidation. The Company evaluates its voting and variable interests in entities on a qualitative and quantitative basis. The Company consolidates entities in which it concludes it has the power to direct the activities that most significantly impact an entity’s economic success and has the obligation to absorb losses or the right to receive benefits that could be significant to the entity.

During the nine months ended September 30, 2021, the Company operated and managed our business under one segment. This is consistent with disclosures in the Company's Annual Report on Form 10-K for the year ended December 31, 2020.

Certain information and footnote disclosures normally included in financial statements prepared in accordance with U.S. GAAP have been condensed or omitted. These condensed consolidated financial statements should be read in conjunction with the Company's Consolidated Financial Statements and Notes thereto for the fiscal year ended December 31, 2020, included in the Company's Annual Report on Form 10-K.

Use of Estimates, Policy [Policy Text Block]

Use of Estimates

The Company makes estimates and assumptions relating to the reporting of assets and liabilities, the recording of reported amounts of revenues and expenses and the disclosure of contingent assets and liabilities to prepare these condensed consolidated financial statements. Actual results could differ from those estimates. Considerable management judgment is necessary in estimating future cash flows and other factors affecting the valuation of goodwill and intangible assets, including the operating and macroeconomic factors that may affect them. The Company uses historical financial information, internal plans and projections and industry information in making such estimates.

New Accounting Pronouncements, Policy [Policy Text Block]

Reclassification

Certain prior year amounts have been reclassified for consistency with the current year presentation. The adjustments include 1) the additional revenue market of Interventional Catheters which was reclassified from Other Medical in Footnote 3 Revenue Recognition and 2) the addition of Acquisition costs as a separate line item from Other operating (income) expenses within Operating Expenses on the condensed consolidated statement of operations. These reclassifications had no impact on the reported results of operations.