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Acquisitions (Details) - USD ($) $ in Thousands	Jul. 27, 2021	Dec. 17, 2019	Nov. 30, 2022	May 31, 2022
Business Acquisition [Line Items]
Contract liabilities			$ 522	$ 526
QX Medical, LLC Camaro Support Catheter Asset Acquisition
Business Acquisition [Line Items]
Aggregate purchase price	$ 4,000
Contract liabilities	3,600
Purchase price holdbacks	400
Potential future contingent consideration	1,000
Inventory and fixed assets	100
Intangible asset amortization period		15 years
Technology-Based Intangible Assets | QX Medical, LLC Camaro Support Catheter Asset Acquisition
Business Acquisition [Line Items]
Intangible asset acquired	$ 3,900

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