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Note 10 - Share Based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended 24 Months Ended
Jan. 01, 2001
Mar. 30, 2024
Feb. 29, 2024
Mar. 30, 2024
Apr. 01, 2023
Dec. 31, 2022
Jan. 01, 2022
Jan. 02, 2021
Dec. 29, 2018
Dec. 31, 2016
Dec. 27, 2015
Dec. 31, 2025
Dec. 30, 2023
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)       10 years                    
Share-Based Payment Arrangement, Expense       $ 635 $ 496                  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 9,800   $ 9,800                    
Common Stock, Capital Shares Reserved for Future Issuance (in shares)   1,199,899   1,199,899                 1,377,392  
Dividends Payable                         $ 0  
Employee Stock Purchase Plan [Member]                            
Share-Based Payment Arrangement, Expense       $ 84 75                  
Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date 85.00%                          
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate 10.00%                          
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee (in shares) 3,000                          
Additional Shares of Common Stock Reserved for Future Issuance (in shares)             400,000   300,000   300,000      
Common Stock, Capital Shares Reserved for Future Issuance (in shares)             1,800,000   1,400,000   1,100,000      
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares)       22,789                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)   274,941   274,941                    
The 2014 Plan [Member]                            
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)   296,040   296,040                    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)           2,975,000               625,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares)           1,000,000   850,000   500,000        
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding   $ 15,900   $ 15,900 $ 6,600                  
Time-based Restricted Stock Units [Member]                            
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 2,800   $ 2,800                    
Share Price (in dollars per share)   $ 21.37   $ 21.37                    
Time-based Restricted Stock Units [Member] | Immediately Vested [Member]                            
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)       0 4,762                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)         $ 10.5                  
Time-based Restricted Stock Units [Member] | The 2014 Plan [Member]                            
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 2,800   $ 2,800                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)   328,918   328,918                 383,458  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested   $ 9,000   $ 9,000                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)       7,004                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)       $ 29.99                    
Performance-based Restricted Stock Units [Member]                            
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount   $ 7,000   $ 7,000                    
Performance-based Restricted Stock Units [Member] | The 2014 Plan [Member]                            
Share-Based Payment Arrangement, Expense       $ 300 $ 100                  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)   300,000   300,000                 100,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)       300,000                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)       $ 28.79                    
Performance-based Restricted Stock Units [Member] | The 2014 Plan [Member] | February 2024 [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)     4 years                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)   50,000 250,000                      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting, Maximum Annual Shares (in shares)     62,500                      
Performance-based Restricted Stock Units [Member] | The 2014 Plan [Member] | February 2024 [Member] | Forecast [Member]                            
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares)                       62,500    
Minimum [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)       1 year                    
Maximum [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)       5 years                    
Maximum [Member] | Performance-based Restricted Stock Units [Member] | The 2014 Plan [Member] | February 2024 [Member] | Forecast [Member]                            
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares)                       0