v3.26.1
Stock-Based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 47 $ 63
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServicesSold    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense 0 0
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense 47 $ 63
Restricted Stock Units (RSUs) [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized compensation expense $ 16  
Restricted Stock Units (RSUs) [Member] | 2019 Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards authorized (shares) 1,000,000  
Granted in the period (shares) 0  
Vested in period (shares) 0  
Forfeited in period (shares) 0  
Awards available for future issuance (shares) 498,856