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Income Taxes - Tax Effects of Temporary Differences that gave Rise to Significant Portions of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Jan. 31, 2025
Jan. 31, 2024
Deferred Tax Assets:    
Honeywell Royalty Liability $ 4,280 $ 3,561
Section 174 Capitalization 2,894 1,981
Portugal Tax Incentives 2,373  
Inventory 1,994 2,242
State R&D Credits 1,721 2,160
Net Operating Loss 886 199
Share-Based Compensation 575 590
Portugal Statutory Tax Adjustments 541  
Compensation Accrual 285 276
Foreign Tax Credit 154 154
Bad Debt 115 134
Warranty Reserve 120 171
ASC 842 Adjustment - Lease Liability 87 38
Deferred Service Contract Revenue 0 100
Unrecognized State Tax Benefits 0 49
Other 563 381
Deferred Tax Assets, Total 16,588 12,036
Deferred Tax Liabilities:    
Accumulated Tax Depreciation in Excess of Book Depreciation 1,632 1,491
Intangibles 1,544 989
Purchase Price Accounting 270  
Portugal Statutory Tax Adjustments 110  
ASC 842 Adjustment - Lease Liability 87 33
Other 154 206
Deferred Tax Liabilities, Total 3,797 2,719
Subtotal 12,791 9,317
Valuation Allowance (4,400) (2,534)
Net Deferred Tax Assets 8,391 6,783
Deferred taxes are reflected in the consolidated balance sheet as follows:    
Deferred Tax Assets 8,431 6,882
Deferred Tax Liabilities (40) (99)
Total Net Deferred Tax Assets $ 8,391 $ 6,783