v3.26.1
Note 10 - Fair Value of Financial Instruments (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Accounts Receivable, after Allowance for Credit Loss $ 314.0   $ 314.0    
Senior Notes [Member]          
Convertible Debt, Fair Value Disclosures 445.1   445.1   $ 145.2
Convertible Debt $ 129.1   $ 129.1   $ 129.8
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Top Ten Customers [Member]          
Concentration Risk, Percentage 99.00% 98.00%      
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer 1 [Member]          
Concentration Risk, Percentage 42.00% 54.00% 43.00% 59.00%  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer 2 [Member]          
Concentration Risk, Percentage 26.00% 34.00% 26.00% 30.00%  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer 3 [Member[          
Concentration Risk, Percentage 24.00% 6.00% 24.00% 5.00%  
Digicomm [Member]          
Accounts Receivable, after Allowance for Credit Loss $ 211.0   $ 211.0