v3.26.1
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
 12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Cash, exceeded federally insured limits $ 18,700,000 $ 6,200,000  
Reserve for obsolete inventory 135,000 95,000  
Goodwill impairment losses 0 0  
Research and development expenses 288,000 455,000 $ 414,000
Unsatisfied performance obligations 0    
Advertising expenses $ 3,500,000 $ 2,200,000 $ 1,200,000
Fair value of common stock (in dollars per share) $ 1.17 $ 1.40  
Expected volatility (as a percent)   75.50%  
Term of award (years)   6 years  
Risk-free interest rate (as a percent)   3.47%  
Incremental common shares attributable to dilutive effect of contingently issuable (in shares) 1,600,000    
Maximum      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Payment terms (in days) 30 days    
Performance Stock Units      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Expected volatility (as a percent) 85.70% 87.00%  
Term of award (years) 5 years 5 years  
Risk-free interest rate (as a percent) 3.70% 3.40%  
Vested (in shares) 0