Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Acquisitions - Preliminary and Final Fair Value of Assets and Liabilities Assumed (Details)

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Note 4 - Acquisitions - Preliminary and Final Fair Value of Assets and Liabilities Assumed (Details) - USD ($)
$ in Thousands
 5 Months Ended 6 Months Ended
Aug. 01, 2018
Jul. 02, 2018
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Goodwill     $ 706,355 $ 706,355 $ 706,355 $ 706,355   $ 597,890
Payments to Acquire Businesses, Net of Cash Acquired, Total       272,287     $ 10,644  
QT Holdings Corporation [Member]                
Current assets, net of cash   $ 36 36 36 36 36    
Equipment and other long-term assets   284 284 284 284 284    
Intangible assets   20,000 13,400 13,400 13,400 13,400    
Intangible assets, adjustments           (6,600)    
Goodwill   9,790 13,554 13,554 13,554 13,554    
Goodwill, Purchase Accounting Adjustments           3,764    
Total assets acquired   30,110 27,274 27,274 27,274 27,274    
Total assets acquired, adjustments           (2,836)    
Liabilities   765 765 765 765 765    
Deferred income taxes, net   3,741 1,148 1,148 1,148 1,148    
Deferred income taxes, net, adjustments           (2,593)    
Net assets acquired   25,604 25,361 25,361 25,361 25,361    
Net assets acquired, adjustments         (243) (243)    
Payments to Acquire Businesses, Net of Cash Acquired, Total   20,404     20,461      
Cash paid, net of cash acquired, adjustments         57      
Fair value of contingent consideration   5,200     4,900      
Fair value of contingent consideration, adjustments         (300)      
Net assets acquired   $ 25,604     25,361      
Exosome Diagnostics, Inc [Member]                
Current assets, net of cash $ 5,118   2,557 2,557 2,557 2,557    
Equipment and other long-term assets 2,212   2,212 2,212 2,212 2,212    
Intangible assets 180,000   180,000 180,000 180,000 180,000    
Goodwill 96,592   99,027 99,027 99,027 99,027    
Goodwill, Purchase Accounting Adjustments     2,435          
Total assets acquired 283,922   283,796 283,796 283,796 283,796    
Liabilities 2,624   2,498 2,498 2,498 2,498    
Deferred income taxes, net 27,673   27,673 27,673 27,673 27,673    
Net assets acquired 253,625   253,625 $ 253,625 $ 253,625 $ 253,625    
Payments to Acquire Businesses, Net of Cash Acquired, Total 251,825   251,825          
Fair value of contingent consideration 1,800   1,800          
Net assets acquired $ 253,625   253,625          
Current assets, net of cash, adjustment     (2,561)          
Total assets acquired, adjustment     (126)          
Liabilities, adjustment     $ (126)