Quarterly report pursuant to Section 13 or 15(d)

Debt - Interest Expense (Details)

v3.21.2
Debt - Interest Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Debt Disclosure [Abstract]        
Interest expense at coupon rate $ 1,220 $ 1,481 $ 3,182 $ 1,481
Amortization of debt discounts and issuance costs 32 36 84 36
Total interest expense $ 1,252 $ 1,517 $ 3,266 $ 1,517