Annual report pursuant to Section 13 and 15(d)

Note 4 - Acquisitions (Details Textual)

v3.20.2
Note 4 - Acquisitions (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Jun. 04, 2019
Feb. 01, 2019
Aug. 01, 2018
Jul. 02, 2018
Feb. 01, 2018
Jan. 02, 2018
Sep. 05, 2017
Jun. 30, 2020
Jun. 30, 2019
Feb. 01, 2019
Jun. 30, 2018
Payments to Acquire Businesses, Net of Cash Acquired, Total               $ (0) $ 289,492   $ 67,851
Gain (Loss) on Escrow Settlement               7,170 $ (0)   $ (0)
QT Holdings Corporation [Member]                      
Payments to Acquire Businesses, Net of Cash Acquired, Total       $ 20,500       20,462      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High       51,000       51,000      
Business Acquisition, Goodwill, Expected Tax Deductible Amount       $ 0              
QT Holdings Corporation [Member] | Developed Technology Rights [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)       14 years              
Exosome Diagnostics, Inc [Member]                      
Payments to Acquire Businesses, Net of Cash Acquired, Total     $ 251,600         251,623      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High     325,000         325,000      
Business Acquisition, Goodwill, Expected Tax Deductible Amount     0                
Gain (Loss) on Escrow Settlement     $ 7,200                
Exosome Diagnostics, Inc [Member] | Developed Technology Rights [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)     15 years                
Exosome Diagnostics, Inc [Member] | Trade Names [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)     15 years                
Exosome Diagnostics, Inc [Member] | Customer Relationships [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)     14 years                
B-MoGen [Member]                      
Payments to Acquire Businesses, Net of Cash Acquired, Total $ 17,500             17,448      
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High 38,000             38,000      
Business Acquisition, Goodwill, Expected Tax Deductible Amount 0                    
Business Combination, Step Acquisition, Equity Interest in Acquiree, Before Remeasurement to Fair Value 1,400                    
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain $ 3,700                    
Goodwill, Purchase Accounting Adjustments               300      
B-MoGen [Member] | Developed Technology Rights [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year) 14 years                    
Trevigen Inc. [Member]                      
Payments to Acquire Businesses, Net of Cash Acquired, Total             $ 10,600 10,644      
Business Acquisition, Goodwill, Expected Tax Deductible Amount             $ 0        
Atlanta Biologicals [Member]                      
Payments to Acquire Businesses, Net of Cash Acquired, Total           $ 51,300   51,274      
Business Acquisition, Goodwill, Expected Tax Deductible Amount           $ 0          
Atlanta Biologicals [Member] | Developed Technology Rights [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)           13 years          
Atlanta Biologicals [Member] | Trade Names [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)           15 years          
Atlanta Biologicals [Member] | Customer Relationships [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)           12 years          
Eurocell Diagnostics, SAS [Member]                      
Payments to Acquire Businesses, Net of Cash Acquired, Total   $ 1,300     $ 6,000     $ 5,933   $ 7,300  
Business Acquisition, Goodwill, Expected Tax Deductible Amount         $ 0            
Eurocell Diagnostics, SAS [Member] | Customer Relationships [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)         7 years