Note 6 - Revenue From Contracts With Customers (Tables)

3 Months Ended

Apr. 30, 2024

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended April 30,
	2024		2023
Revenue recognized at a point in time:	(in thousands)
Total revenue recognized at a point in time	$	9,377	$	10,512
Revenue recognized over time:
Total revenue recognized over time		301		85
Total revenue from contracts with customers	$	9,678	$	10,597

	Three Months Ended April 30,
	2024		2023
	(in thousands)
United States	$	345	$	392
Europe		2,785		6,500
Asia-Pacific		5,843		3,582
Other		705		123
Total revenue from contracts with customers	$	9,678	$	10,597

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	April 30, 2024		January 31, 2024
Contract Assets:	(in thousands)
Unbilled revenue - current	$	16	$	26
Total unbilled revenue	$	16	$	26
Contract Liabilities:
Deferred revenue & customer deposits - current	$	3,529	$	3,649
Total deferred revenue & customer deposits	$	3,529	$	3,649