v3.25.2
Note 3 - Summary of Significant Accounting Policies (Details Textual)
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended 18 Months Ended
Jan. 09, 2024
USD ($)
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
Jun. 30, 2025
USD ($)
TradingDays
$ / shares
Jun. 30, 2025
USD ($)
Segment
$ / shares
Jun. 30, 2024
USD ($)
Apr. 04, 2025
USD ($)
Dec. 31, 2024
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
$ / shares
Jul. 18, 2024
USD ($)
$ / shares
Significant Accounting Policy [Line Item]                              
Inventory Write-down   $ 900,000 $ 600,000   $ 1,400,000           $ 1,000,000        
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Goodwill and Intangible Assets   1,200,000,000   $ 1,200,000,000 1,200,000,000 $ 1,200,000,000 $ 1,200,000,000 $ 1,200,000,000 $ 1,200,000,000 $ 1,200,000,000     $ 1,300,000,000 $ 1,200,000,000  
Goodwill   484,185,000   484,185,000 484,185,000 484,185,000 484,185,000 484,185,000 484,185,000 484,185,000     529,252,000 484,185,000  
Indefinite-Lived Intangible Assets (Excluding Goodwill)   751,000,000   751,000,000 751,000,000 751,000,000 751,000,000 751,000,000 751,000,000 751,000,000     811,600,000 751,000,000  
Disposal Group, Including Discontinued Operation, Assets   56,300,000   56,300,000 56,300,000 56,300,000 56,300,000 $ 56,300,000 56,300,000 56,300,000       56,300,000  
Amount Recognized in Income Due to Inflationary Accounting         10,100,000               10,100,000    
Amortization of Intangible Assets   19,444,000 20,420,000   39,304,000           41,856,000        
Depreciation   3,600,000 3,700,000   7,200,000           8,100,000        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent               21.00%              
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued   9,900,000   $ 9,900,000 9,900,000 9,900,000 9,900,000 $ 9,900,000 9,900,000 9,900,000       9,900,000  
Open Tax Year       2014                      
Accounts Receivable, Allowance for Credit Loss, Current   1,667,000   $ 1,667,000 1,667,000 $ 1,667,000 $ 1,667,000 $ 1,667,000 $ 1,667,000 $ 1,667,000     $ 1,267,000 $ 1,667,000  
Accounts Receivable, Credit Loss Expense (Reversal)   $ 121,600 14,100   $ 333,600           142,600        
Common Stock Par Value | $ / shares   $ 0.01   $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01     $ 0.01 $ 0.01  
Stock Repurchased During Period, Value $ 50,000,000 $ 18,255,000     $ 18,255,000           50,000,000        
Share-Based Payment Arrangement, Noncash Expense   2,200,000 2,600,000   4,828,000           5,199,000        
Number of Reportable Segments                 2 2          
Gain (Loss), Foreign Currency Transaction, before Tax   (2,600,000) $ (1,300,000)   (2,500,000)           $ (4,000,000)        
Repurchase of Common Stock [Member]                              
Significant Accounting Policy [Line Item]                              
Share Repurchase Program, Authorized, Amount                       $ 200,000,000     $ 100,000,000
Increase in Share Repurchase Program Authorized Amount                       $ 100,000,000      
Common Stock Par Value | $ / shares                             $ 0.01
Stock Repurchased During Period, Shares (in shares) | shares             13,646,344           25,825,785    
Stock Repurchased During Period, Price Per Share (in dollars per share) | $ / shares           $ 1.33             $ 1.56    
Stock Repurchased During Period, Value         18,300,000               $ 40,200,000 $ 58,500,000  
Government Contract, BARDA [Member]                              
Significant Accounting Policy [Line Item]                              
Accounts Receivable, after Allowance for Credit Loss   $ 4,300,000   $ 4,300,000 4,300,000 $ 4,300,000 $ 4,300,000 $ 4,300,000 $ 4,300,000 $ 4,300,000     $ 3,600,000 $ 4,300,000  
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Medicare and Medicaid [Member]                              
Significant Accounting Policy [Line Item]                              
Concentration Risk, Percentage               7.60%         4.80%    
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Individual Patients [Member]                              
Significant Accounting Policy [Line Item]                              
Concentration Risk, Percentage               2.20%         1.70%    
Israel Tax Authority [Member]                              
Significant Accounting Policy [Line Item]                              
Income Tax Examination, Estimate of Possible Loss         $ 246,000,000                    
Software and Software Development Costs [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   3 years   3 years 3 years 3 years 3 years 3 years 3 years 3 years       3 years  
Minimum [Member]                              
Significant Accounting Policy [Line Item]                              
Finite-Lived Intangible Asset, Useful Life (Year)                         3 years    
Minimum [Member] | Machinery and Equipment [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   5 years   5 years 5 years 5 years 5 years 5 years 5 years 5 years       5 years  
Minimum [Member] | Furniture and Fixtures [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   5 years   5 years 5 years 5 years 5 years 5 years 5 years 5 years       5 years  
Minimum [Member] | Building and Building Improvements [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   10 years   10 years 10 years 10 years 10 years 10 years 10 years 10 years       10 years  
Minimum [Member] | Vehicles [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   3 years   3 years 3 years 3 years 3 years 3 years 3 years 3 years       3 years  
Maximum [Member]                              
Significant Accounting Policy [Line Item]                              
Finite-Lived Intangible Asset, Useful Life (Year)                         20 years    
Maximum [Member] | Machinery and Equipment [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   8 years   8 years 8 years 8 years 8 years 8 years 8 years 8 years       8 years  
Maximum [Member] | Furniture and Fixtures [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   12 years   12 years 12 years 12 years 12 years 12 years 12 years 12 years       12 years  
Maximum [Member] | Building and Building Improvements [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   40 years   40 years 40 years 40 years 40 years 40 years 40 years 40 years       40 years  
Maximum [Member] | Vehicles [Member]                              
Significant Accounting Policy [Line Item]                              
Property, Plant and Equipment, Useful Life (Year)   5 years   5 years 5 years 5 years 5 years 5 years 5 years 5 years       5 years  
IRELAND                              
Significant Accounting Policy [Line Item]                              
Goodwill   $ 89,500,000   $ 89,500,000 $ 89,500,000 $ 89,500,000 $ 89,500,000 $ 89,500,000 $ 89,500,000 $ 89,500,000     $ 79,400,000 $ 89,500,000  
Diagnostics [Member]                              
Significant Accounting Policy [Line Item]                              
Goodwill   163,400,000   163,400,000 163,400,000 163,400,000 163,400,000 163,400,000 163,400,000 163,400,000     219,700,000 163,400,000  
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations [Member] | Oncology Transaction [Member] | Labcorp [Member]                              
Significant Accounting Policy [Line Item]                              
Reclassification of Intangible Assets         30,500,000                    
In Process Research and Development [Member]                              
Significant Accounting Policy [Line Item]                              
Indefinite-Lived Intangible Assets (Excluding Goodwill)   $ 195,000,000   $ 195,000,000 $ 195,000,000 $ 195,000,000 $ 195,000,000 $ 195,000,000 $ 195,000,000 $ 195,000,000     $ 195,000,000 $ 195,000,000