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Note 1 - Organization and Significant Accounting Policies (Details Textual)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended 15 Months Ended
Sep. 14, 2023
USD ($)
Jan. 31, 2024
USD ($)
May 31, 2023
USD ($)
Dec. 31, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2025
USD ($)
Number of Operating Segments           1      
Disposal Group, Including Discontinued Operation, Depreciation and Amortization               $ 1,081  
Percentage of Interest Rate, Savings Deposits       4.57%   4.57% 4.53% 3.95% 4.57%
Number of Reportable Segments           1      
Goodwill, Impairment Loss           $ 0      
Impairment of Intangible Assets, Finite-Lived             $ 0 $ 0  
Investments, Fair Value Disclosure       $ 55   55     $ 55
Remeasurement of marketable equity securities           257 94 2  
Remeasurement of Marketable Equity Securities           257 94 2  
Reduction from Research and Development Expenses Due to Receipt of Grants           1,408 1,407 1,668  
Research and Development Tax Credit           3,185 2,805 2,509  
Investment Tax Credit           $ 57 149 107  
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           $ 183 204 376  
Severance Costs           2,332 1,835 2,117  
Advertising Expense           $ 872 $ 795 $ 780  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares           1,883,152 1,687,533 1,381,176  
Foreign Exchange Forward and Option Contracts [Member] | Cash Flow Hedging [Member]                  
Derivative, Notional Amount       2,625   $ 2,625 $ 0   2,625
Restricted Stock Units and Performance Stock Units [Member]                  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       25,761   $ 25,761     25,761
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       154   $ 154     154
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)           1 year 6 months      
Stock Appreciation Rights (SARs) [Member]                  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total       $ 0   $ 0     $ 0
Minimum [Member]                  
Finite-Lived Intangible Asset, Useful Life (Year)       6 months   6 months     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   7 years 6 months     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      
VisiSonics [Member]                  
Payments to Acquire Productive Assets   $ 753              
Asset Acquisition, Contingent Consideration, Liability   $ 2,100              
Ceva Technologies Single Member Private Company [Member]                  
Payments to Acquire Productive Assets           $ (0) $ 753 $ (0)  
Payment for Contingent Consideration Liability, Financing Activities         $ 425        
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 Combination, Transaction Cost, Excluding Separately Recognized Transaction               $ 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     $ 3,470