XML 86 R50.htm IDEA: XBRL DOCUMENT v3.10.0.1
Fair Value of Financial Instruments Fair Value of Financial Instruments (Details 3)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 07, 2015
USD ($)
Nov. 30, 2016
USD ($)
May 31, 2018
USD ($)
May 31, 2017
USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Purchase of non-transferable warrants $ 2,000      
Potential amount of undiscounted future contingent consideration     $ 3,300  
Recurring        
Summary showing the recurring fair value measurements of the contingent consideration liability        
Revenue based payments     3,261 $ 12,761
Level 3 | Recurring        
Summary showing the recurring fair value measurements of the contingent consideration liability        
Revenue based payments     3,261 $ 12,761
Revenue based payments | Level 3 | Recurring        
Summary showing the recurring fair value measurements of the contingent consideration liability        
Revenue based payments     $ 3,261  
Revenue based payments | Level 3 | Recurring | Discount Rate        
Summary showing the recurring fair value measurements of the contingent consideration liability        
Discount rate used in fair value calculation     0.04  
Revenue based payments | Level 3 | Maximum | Recurring | Contingent Consideration Earn Out Liability        
Summary showing the recurring fair value measurements of the contingent consideration liability        
Probability of payment     100.00%  
AngioVac Product        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Gain from reduction   $ 13,400    
Discontinued Investment in TiLo Product | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Abandonment        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Gain from reduction     $ 3,100  
Discontinued Investment in TiLo Product | Disposal Group, Disposed of by Means Other than Sale, Not Discontinued Operations, Abandonment | In Process Research and Development        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Write-down     $ 3,600