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Note 1 - Organization and Significant Accounting Policies (Details Textual)
$ in Thousands
 1 Months Ended 12 Months Ended
Sep. 14, 2023
USD ($)
Jan. 31, 2024
USD ($)
May 31, 2023
USD ($)
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Number of Operating Segments       1    
Disposal Group, Including Discontinued Operation, Depreciation and Amortization         $ 1,081 $ 2,205
Business Combination, Consideration Transferred       $ 753 $ (0) $ (0)
Percentage of Interest Rate, Savings Deposits       4.53% 3.95% 1.54%
Number of Reportable Segments       1    
Goodwill, Impairment Loss       $ 0    
Impairment of Intangible Assets, Finite-Lived       0 $ 0 $ 3,556
Investments, Fair Value Disclosure       312    
Remeasurement of marketable equity securities       94 2 2,511
Remeasurement of Marketable Equity Securities       94 2 2,511
Reduction from Research and Development Expenses Due to Receipt of Grants       1,407 1,668 4,850
Research and Development Tax Credit       2,805 2,509 2,152
Investment Tax Credit       $ 149 107 164
Defined Contribution Plan, Contribution Rate       10.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent of Match       50.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay       6.00%    
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent       15.00%    
Defined Contribution Plan, Employer Discretionary Contribution Amount       $ 1,090 1,371 1,034
Severance Costs       1,835 2,117 2,706
Advertising Expense       $ 795 $ 780 $ 734
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares       1,687,533 1,381,176 985,277
Foreign Exchange Forward and Option Contracts [Member] | Cash Flow Hedging [Member]            
Derivative, Notional Amount       $ 0 $ 16,500  
Restricted Stock Units and Performance Stock Units [Member]            
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       $ 20,938    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       1 year 6 months    
Unvested Stock Options and ESPP [Member]            
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       $ 398    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)       1 year 7 months 6 days    
Stock Appreciation Rights (SARs) [Member]            
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       $ 0    
Immervision Technology [Member]            
Impairment of Intangible Assets, Finite-Lived           $ 3,556
NB-IoT technologies [Member]            
Finite-Lived Intangible Asset, Useful Life (Year)       7 years    
Impairment of Intangible Assets, Finite-Lived           479
Assets and Services from Purchase Agreement [Member]            
Impairment of Intangible Assets, Finite-Lived           1,479
Minimum [Member]            
Finite-Lived Intangible Asset, Useful Life (Year)       6 months    
Percentage of Royalty Expense       3.00%    
Minimum [Member] | Foreign Exchange Forward and Option Contracts [Member] | Cash Flow Hedging [Member]            
Payroll of Non-US Employees Hedged, Term of Hedging Contracts (Month)       1 month    
Maximum [Member]            
Finite-Lived Intangible Asset, Useful Life (Year)       7 years 6 months    
Percentage of Royalty Expense       3.50%    
Maximum [Member] | Foreign Exchange Forward and Option Contracts [Member] | Cash Flow Hedging [Member]            
Payroll of Non-US Employees Hedged, Term of Hedging Contracts (Month)       12 months    
Office Building [Member]            
Operating Lease, Impairment Loss         $ 144 $ 439
VisiSonics [Member]            
Payments to Acquire Productive Assets   $ 753        
Asset Acquisition, Contingent Consideration, Liability   $ 2,100        
Intrinsix Corp. [Member]            
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred $ 240          
VisiSonics [Member]            
Business Combination, Consideration Transferred     $ 3,600      
Business Combination, Price of Acquisition, Expected Additional Payment Per Founder     $ 100      
Business Acquisition, Transaction Costs       $ 117    
Intrinsix Corp. [Member]            
Sale of Stock, Consideration 35,000          
Sale of Stock, Amount Held for Post Closing Price Adjustment 300          
Sale of Stock, Amount Held for Indemnification Obligations $ 3,500