Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Stock-based Compensation (Details Textual)

v3.24.2.u1
Note 7 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2024
Jun. 30, 2023
Share-Based Payment Arrangement, Expense $ 1,152,000 $ 1,059,000     $ 3,437,000 $ 2,504,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 6,213,000   $ 6,213,000   $ 6,213,000  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition         2 years 4 months 24 days  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross         118,706 40,266
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period         3 years  
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price         $ 26.84 $ 64.38
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term (Year)         1 year 9 months 3 days  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value $ 2,473,000   $ 2,473,000   $ 2,473,000  
Employee Stock Purchase Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award, Market Price Percentage, Offering Date         85.00%  
Stock Issued During Period, Shares, Employee Stock Purchase Plans     13,598 10,104    
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price     $ 24.72 $ 24.72    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant 144,548   144,548   144,548  
Share-Based Payment Arrangement, Option [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period         5 years 5 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period         3 years 3 years
Share-Based Payment Arrangement, Option [Member] | Minimum [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period         3 years  
Share-Based Payment Arrangement, Option [Member] | Maximum [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period         5 years  
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Nonemployee [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period           1 year
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period           6,818
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share           $ 61.56
Restricted Stock Units (RSUs) [Member] | The 2022 Plan [Member] | Share-Based Payment Arrangement, Employee [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period         3 years 3 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period         137,928 34,674
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share         $ 26.65 $ 72.26
Performance Stock Units [Member]            
Share-Based Payment Arrangement, Expense         $ 0  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period         47,745 0
Granted, weighted average grant date fair value (in dollars per share)         $ 26.18  
Bonus Stock Award [Member] | Share-Based Payment Arrangement, Employee [Member]            
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period         0 9,144
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share           $ 104.36
Selling, General and Administrative Expenses [Member]            
Share-Based Payment Arrangement, Expense $ 1,099,000 1,016,000     $ 3,280,000 $ 2,377,000
Cost of Sales [Member]            
Share-Based Payment Arrangement, Expense $ 53,000 $ 43,000     $ 157,000 $ 126,000