Composition of Certain Financial Statement Items Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Jan. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued expenses	$ 28,673	$ 18,404
Refundable customer deposits	8,286	6,482
Taxes payable	9,760	5,213
Payroll and related expenses	12,917	7,547
Warranty accruals	3,766	3,000
Operating lease liabilities, current	3,665	2,393
Other liabilities	9,406	4,123
Total Accrued and Other Current Liabilities	$ 76,473	$ 47,162