Quarterly report pursuant to Section 13 or 15(d)

Note 16 - Share-based Compensation (Details Textual)

v3.22.4
Note 16 - Share-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 18 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Share-Based Payment Arrangement, Expense     $ 800 $ 600  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total     $ 3,300   $ 3,300
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     2 years 2 months 12 days    
Share-Based Payment Arrangement, Amount Capitalized     $ 0 $ 0  
Share-Based Payment Arrangement, Option [Member]          
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total     $ 200   $ 200
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     2 years 4 months 24 days    
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price     $ 24.05    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)     121,165   121,165
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)     $ 7.55    
Restricted Stock Units (RSUs) [Member]          
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total     $ 1,100   $ 1,100
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     2 years 6 months    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)     4 years 2 years  
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)     $ 19.48 $ 20.71  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period     21,257 51,100  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period         24,025
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period         750
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance     72,582   72,582
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance (in dollars per share)     $ 17.69   $ 17.69
Performance Shares [Member]          
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total     $ 2,000   $ 2,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     2 years 1 month 6 days    
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)     $ 18.75 $ 17.15  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period     103,096 90,367  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period     31,635    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance     391,596   391,596
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Ending Balance (in dollars per share)     $ 18.25   $ 18.25
Share-based Compensation Arrangement by Share-based Payment Award, Target Performance Period (Year)     3 years    
Share-Based Payment Arrangement, Employee [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)     0 0  
Share-Based Payment Arrangement, Nonemployee [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 23,970 25,410      
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 25.03 $ 23.61      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)     3 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)     10 years    
Stock Option Plan 1992 [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant     1,327,482   1,327,482