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Note 1 - Organization and Significant Accounting Policies - Schedule of Business Acquisitions (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
May 31, 2023
Dec. 31, 2022
Goodwill $ 58,308   $ 56,794
VisiSonics [Member]      
Goodwill   $ 1,994  
Total assets   3,600  
VisiSonics [Member] | Technology-Based Intangible Assets [Member]      
Intangibles   1,174  
VisiSonics [Member] | Customer Relationships [Member]      
Intangibles   $ 432