Note 6 - Restructuring (Details Textual) - USD ($)
$ in Thousands

Jul. 31, 2026

Jan. 31, 2026

Restructuring Reserve

$ 6,127

^[1]

$ 7,590

Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedEmployeeBenefitsCurrent

Restructuring Reserve

2,200

Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesAndOtherLiabilities

Restructuring Reserve

2,700

Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent

Restructuring Reserve

$ 1,200

[1]

As of April 30, 2026, $2.7 million of this amount was included in “accrued compensation”, $1.2 million of this amount was included in “accrued expenses and other current liabilities”, and $1.2 million of this amount was included in “other long-term liabilities” on the unaudited condensed consolidated balance sheets.