Note 6 - Revenue From Contracts With Customers (Tables)

9 Months Ended

Oct. 31, 2023

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended October 31,				Nine Months Ended October 31,
	2023		2022		2023		2022
Revenue recognized at a point in time:	(in thousands)
Total revenue recognized at a point in time	$	4,458	$	2,778	$	21,966	$	15,060
Revenue recognized over time:
Total revenue recognized over time		516		260		1,166		1,082
Total revenue from contracts with customers	$	4,974	$	3,038	$	23,132	$	16,142

	Three Months Ended October 31,				Nine Months Ended October 31,
	2023		2022		2023		2022
	(in thousands)
United States	$	351	$	131	$	852	$	1,895
Europe		2,019		1,547		11,013		9,130
Asia-Pacific		1,591		1,252		10,085		4,850
Other		1,013		108		1,182		267
Total revenue from contracts with customers	$	4,974	$	3,038	$	23,132	$	16,142

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

	October 31, 2023		January 31, 2023
Contract Assets:	(in thousands)
Unbilled revenue - current	$	53	$	2
Total unbilled revenue	$	53	$	2
Contract Liabilities:
Deferred revenue & customer deposits - current	$	1,687	$	571
Total deferred revenue & customer deposits	$	1,687	$	571