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Stock Plans and Stock-Based Compensation - Narrative (Details)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
May 31, 2025
shares
Sep. 30, 2025
USD ($)
shares
Sep. 30, 2024
shares
Sep. 30, 2025
USD ($)
purchase_period
plan
$ / shares
shares
Sep. 30, 2024
$ / shares
shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Number of shareholder-approved, share-based compensation plans | plan       2  
Number of options granted (in shares)       1,388,400  
Weighted average grant-date fair values of stock options (in dollars per share) | $ / shares       $ 2.13 $ 9.50
Unrecognized compensation cost, net of estimated forfeitures | $   $ 5.0   $ 5.0  
Unrecognized compensation cost, weighted average period for recognition       2 years 6 months  
Exercise of stock options (in shares)       0  
Amended and Restated 2010 Stock Incentive Plan          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Shares authorized (in shares) 3,356,600        
Period of time options are exercisable 10 years        
Number of shares under award to be removed from share pool (in shares)       784,892  
2010 Plan          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Number of options granted (in shares)       1,108,400  
Employee Stock Purchase Plan          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Issuance of stock under ESPP (in shares)   0 0 36,649 11,307,000
Stock Options          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Vesting period (years)       4 years  
Awarded (in shares)       200,000  
Stock Options | Amended and Restated 2010 Stock Incentive Plan          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Common stock, additional capital shares reserved for future issuance (in shares) 1,255,000        
Stock Options | 2010 Plan | Non-Employee Directors          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Number of options granted (in shares)       80,000  
Vesting period (years)       1 year  
Stock Options | 2010 Plan | Tranche One          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Percentage of vested shares which are exercisable under stock option       25.00%  
Stock Options | 2010 Plan | Tranche Two          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Percentage of vested shares which are exercisable under stock option       6.25%  
Stock Options, or Stock Appreciation Rights | Amended and Restated 2010 Stock Incentive Plan          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Shares removed from pool (in shares per share) 1        
Restricted Stock, RSUs, Other Stock-Based Awards, or Performance Awards | Amended and Restated 2010 Stock Incentive Plan          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Shares removed from pool (in shares per share) 1.3        
Price charged for award based on fair market value percentage (less than) 100.00%        
Restricted Stock Units (RSUs)          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Vesting period (years)       4 years  
Awarded (in shares)       350,600  
Unrecognized compensation cost, weighted average period for recognition       3 years 3 months 18 days  
Compensation expense related to employee and director stock option grants | $   $ 0.7   $ 0.7  
Employee Stock | Employee Stock Purchase Plan          
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]          
Shares authorized (in shares)   500,000   500,000  
Price charged for award based on fair market value percentage (less than)       85.00%  
Enrollment period       2 years  
Number of purchase periods per year | purchase_period       4  
Term of purchase periods       6 months  
Shares available for future purchase under ESPP (in shares)   357,814   357,814