Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Income Tax Contingency [Line Items]
Unrecognized tax benefits that, if recognized, would impact the effective tax rate		$ 0
Income taxes paid	$ 309,000	$ 625,000	$ 836,000
Federal
Income Tax Contingency [Line Items]
NOLs available to offset future taxable income	1,166,200,000
State
Income Tax Contingency [Line Items]
NOLs available to offset future taxable income	1,344,700,000
Foreign
Income Tax Contingency [Line Items]
Tax credits available to offset future taxable income	400,000
Research and Development Tax Credit | Federal
Income Tax Contingency [Line Items]
Tax credits available to offset future taxable income	22,800,000
Research and Development Tax Credit | State
Income Tax Contingency [Line Items]
Tax credits available to offset future taxable income	$ 8,700,000