Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Allowance for doubtful accounts
Valuation and Qualifying Accounts Disclosure
Valuation Allowances and Reserves, Beginning Balance	$ 200	$ 200
Valuation Allowances and Reserves, Charged to (Reduced from) Expenses	0	0
Valuation Allowances and Reserves, Deductions from Reserves	0	0
Valuation Allowances and Reserves, Ending Balance	200	200
Product, general, workers’ compensation and automobile liability reserves
Valuation and Qualifying Accounts Disclosure
Valuation Allowances and Reserves, Beginning Balance	770	1,250
Valuation Allowances and Reserves, Charged to (Reduced from) Expenses	968	1,107
Valuation Allowances and Reserves, Deductions from Reserves	838	1,587
Valuation Allowances and Reserves, Ending Balance	$ 900	$ 770