Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.21.1
Income Taxes - Additional Information (Details) - USD ($)
3 Months Ended
Apr. 30, 2021
Apr. 30, 2020
Provision for income taxes $ 1,387,000 $ 662,000
Effective tax rate (0.60%) (1.30%)
Unrecognized tax benefits $ 0  
Japan    
Deferred tax valuation allowance $ 0