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FAIR VALUE MEASUREMENTS (Estimated Fair Values of the Financial Assets and Liabilities not Measured at Fair Value on a Recurring Basis) (Details) - Recurring - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Balance    
Financial Assets:    
Cash equivalents $ 44,876 $ 22,107
Financial Liabilities:    
Deferred consideration for asset acquisition 34,401 33,187
Balance | Credit Facility 2021 | Revolving Credit Facility    
Financial Liabilities:    
Borrowings under the 2021 Credit Agreement 25,000 25,000
Balance | Money market funds    
Financial Assets:    
Cash equivalents 5,350 5,200
Balance | Time deposits    
Financial Assets:    
Cash equivalents 39,526 16,907
Estimated Fair Value    
Financial Assets:    
Cash equivalents 44,876 22,107
Financial Liabilities:    
Deferred consideration for asset acquisition 34,401 33,187
Estimated Fair Value | Credit Facility 2021 | Revolving Credit Facility    
Financial Liabilities:    
Borrowings under the 2021 Credit Agreement 25,000 25,000
Estimated Fair Value | Money market funds    
Financial Assets:    
Cash equivalents 5,350 5,200
Estimated Fair Value | Time deposits    
Financial Assets:    
Cash equivalents 39,526 16,907
Estimated Fair Value | Level 1    
Financial Assets:    
Cash equivalents 5,350 5,200
Financial Liabilities:    
Deferred consideration for asset acquisition 0 0
Estimated Fair Value | Level 1 | Credit Facility 2021 | Revolving Credit Facility    
Financial Liabilities:    
Borrowings under the 2021 Credit Agreement 0 0
Estimated Fair Value | Level 1 | Money market funds    
Financial Assets:    
Cash equivalents 5,350 5,200
Estimated Fair Value | Level 1 | Time deposits    
Financial Assets:    
Cash equivalents 0 0
Estimated Fair Value | Level 2    
Financial Assets:    
Cash equivalents 39,526 16,907
Financial Liabilities:    
Deferred consideration for asset acquisition 34,401 33,187
Estimated Fair Value | Level 2 | Credit Facility 2021 | Revolving Credit Facility    
Financial Liabilities:    
Borrowings under the 2021 Credit Agreement 25,000 25,000
Estimated Fair Value | Level 2 | Money market funds    
Financial Assets:    
Cash equivalents 0 0
Estimated Fair Value | Level 2 | Time deposits    
Financial Assets:    
Cash equivalents 39,526 16,907
Estimated Fair Value | Level 3    
Financial Assets:    
Cash equivalents 0 0
Financial Liabilities:    
Deferred consideration for asset acquisition 0 0
Estimated Fair Value | Level 3 | Credit Facility 2021 | Revolving Credit Facility    
Financial Liabilities:    
Borrowings under the 2021 Credit Agreement 0 0
Estimated Fair Value | Level 3 | Money market funds    
Financial Assets:    
Cash equivalents 0 0
Estimated Fair Value | Level 3 | Time deposits    
Financial Assets:    
Cash equivalents $ 0 $ 0