v3.22.2.2
Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2022
Oct. 31, 2021
Finite-Lived Intangible Assets [Line Items]        
Amortization of intangible assets $ 20 $ 154 $ 60 $ 461
Patents        
Finite-Lived Intangible Assets [Line Items]        
Weighted-average amortization period     4 years 6 months