v3.25.1
Note 13 - Stock-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Apr. 30, 2025
Jan. 31, 2025
Oct. 31, 2024
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
Jul. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) 10,000 1,289 24,415        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 2.67 $ 5.53 $ 4.09        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value $ 12,750       $ 12,750    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value 12,200       12,200    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Unvested in Period, Intrinsic Value 550       550    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 690       $ 690   $ 2,180
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)         10 months 2 days    
Share-Based Payment Arrangement, Option [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)         24,415    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)         24 months    
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)         $ 3.75    
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche One [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)         3 months    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage         12.50%    
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Two [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)         6 months    
Share-Based Payment Arrangement, Option [Member] | Share-Based Payment Arrangement, Tranche Three [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)         12 months    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage         25.00%    
Share-Based Payment Arrangement, Option [Member] | Share-based Compensation Award, Tranche Four [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)         18 months    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage         25.00%    
Share-Based Payment Arrangement, Option [Member] | Share-based Compensation Award, Tranche Five [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)         24 months    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage         25.00%    
Restricted Stock Units (RSUs) [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month)         3 years    
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 2,430       $ 2,430   4,420
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)         1 year 5 months 15 days    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)         16,103    
Share-Based Payment Arrangement, Expense 740     $ 450 $ 2,270 $ 1,330  
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Tranche One [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage         33.33%    
Performance-based Restriced Stock Units [Member]              
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount 1,880       $ 1,880   $ 2,740
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)         1 year 10 months 24 days    
Share-Based Payment Arrangement, Expense $ 290     $ 180 $ 860 $ 530