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Fair Value Measurements (Schedule of Assets and Liabilities Measured at Fair Value) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash equivalents $ 2,591 $ 6,954
Long-term investments 919 1,006
Total 3,510 7,960
Purchaser Upsize Option   69
Contingent purchase price consideration 318 318
Total 318 387
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash equivalents 2,591 6,954
Long-term investments 919 1,006
Total 3,510 7,960
Contingent purchase price consideration 0 0
Total 0 0
Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash equivalents 0 0
Long-term investments 0 0
Total 0 0
Contingent purchase price consideration 0 0
Total 0 0
Significant Unobservable Inputs (Level 3) [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Cash equivalents 0 0
Long-term investments 0 0
Total 0 0
Purchaser Upsize Option   69
Contingent purchase price consideration 318 318
Total $ 318 $ 387