Contingencies (Details Textual) - USD ($)	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Loss Contingencies [Line Items]
Expected future losses	$ 1,165,000	$ 1,135,000
Estimated payout period	5 years
Discount rate	4.00%	4.00%
Product liability | Maximum
Loss Contingencies [Line Items]
Self insurance retention	$ 250,000
Workers compensation liability | Maximum
Loss Contingencies [Line Items]
Self insurance retention	250,000
Automobile liability | Maximum
Loss Contingencies [Line Items]
Self insurance retention	50,000
General liability | Maximum
Loss Contingencies [Line Items]
Self insurance retention	50,000
Loss Liability | Maximum
Loss Contingencies [Line Items]
Self insurance retention	$ 30,000,000