v3.26.1
Stock-Based Compensation (Overview) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 09, 2026
Jan. 13, 2025
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Jan. 31, 2026
Oct. 31, 2025
Jul. 31, 2025
Dec. 31, 2023
2001 Employee Stock Purchase Plan                    
Estimated forfeitures related to unvested stock-based awards     $ 361,000   $ 361,000          
Weighted average number of years net compensation cost is expected to be recognized over         2 years          
Stock-based compensation capitalized and included in ending inventory     198,000   $ 198,000       $ 198,000  
Income tax (expense) benefit from settlement of stock-based awards     $ 0 $ 0 $ 0 $ 120,000        
Stock options                    
Stock-Based Awards Outstanding By Award Type (In Shares)                    
Number of stock-based awards outstanding at period end (in shares)     96,250   96,250   96,250 96,250 124,470  
2023 Equity and Incentive Plan                    
2000 Stock Incentive Plan                    
Aggregate maximum number of shares of common stock which may be issued under stock option plan (in shares)     6,664,683   6,664,683         1,669,683
Number of additional shares reserved for issuance (in shares) 2,800,000 2,195,000                
2000 Stock Incentive Plan                    
2000 Stock Incentive Plan                    
Aggregate maximum number of shares of common stock which may be issued under stock option plan (in shares)     69,683   69,683          
Aggregate net number of stock-based awards granted (in shares)     14,505,669   14,505,669          
Aggregate number of stock based awards expired and canceled (in shares)     8,056,704   8,056,704          
Aggregate number of stock-based awards exercised (in shares)     10,916,026   10,916,026          
Stock-Based Awards Outstanding By Award Type (In Shares)                    
Number of total stock-based awards outstanding (in shares)     3,589,643   3,589,643          
2000 Stock Incentive Plan | Stock options                    
2000 Stock Incentive Plan                    
Aggregate maximum number of shares of common stock which may be issued under stock option plan (in shares)     15,757,500   15,757,500          
Maximum term for grants of incentive and non-qualified stock-based awards, excluding incentive stock-based awards granted to stockholders who own more than 10% of the voting power         10 years          
Percentage of a stockholder's voting power that limits the contractual term of an incentive stock-based award     10.00%   10.00%          
Maximum term for incentive stock-based awards granted to stockholders who own more than 10% of the voting power         5 years          
Stock-Based Awards Outstanding By Award Type (In Shares)                    
Number of stock-based awards outstanding at period end (in shares)     96,250   96,250          
2000 Stock Incentive Plan | Performance shares                    
Stock-Based Awards Outstanding By Award Type (In Shares)                    
Number of stock-based awards outstanding at period end (in shares)     788,150   788,150          
2000 Stock Incentive Plan | RSUs and restricted stock                    
Stock-Based Awards Outstanding By Award Type (In Shares)                    
Number of stock-based awards outstanding at period end (in shares)     2,705,243   2,705,243          
2000 Stock Incentive Plan | Stock Appreciation Rights (SARs)                    
Stock-Based Awards Outstanding By Award Type (In Shares)                    
Number of stock-based awards outstanding at period end (in shares)     0   0       0  
2001 Employee Stock Purchase Plan | ESPP                    
2001 Employee Stock Purchase Plan                    
Total number of common shares reserved for issuance under employee stock purchase plan (in shares)     1,300,000   1,300,000          
Discount rate from market value, on purchase date, offered to employees participating in the Employee Stock Purchase Plan (ESPP)     85.00%   85.00%          
Total number of shares of common stock issued to employees under employee stock purchase plan and through the end of the reporting period (in shares)     1,137,632   1,137,632