Revenue from Contracts with Customers (Tables)

6 Months Ended

Jul. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents revenue from contracts with customers disaggregated by product line and timing of revenue recognition:

	Three Months Ended July 31,				Six Months Ended July 31,
	2021		2020		2021		2020
Revenue recognized at a point in time:	(in thousands)
Seamap	$	5,256	$	3,881	$	8,169	$	5,870
Klein	1,406		1,004		2,556		2,002
Total revenue recognized at a point in time	$	6,662	$	4,885	$	10,725	$	7,872
Revenue recognized over time:
Seamap	$	145	$	201	$	276	$	401
Total revenue recognized over time	145		201		276		401
Total revenue from contracts with customers	$	6,807	$	5,086	$	11,001	$	8,273

The following table presents revenue from contracts with customers disaggregated by geography, based on shipping location of our customers:

	Three Months Ended July 31,				Six Months Ended July 31,
	2021		2020		2021		2020
	(in thousands)
United States	$	219	$	686	$	578	$	1,786
Europe	3,520		1,604		6,102		2,980
Middle East & Africa	675		221		689		297
Asia-Pacific	2,188		2,222		2,893		2,499
Canada & Latin America	205		353		739		711
Total revenue from contracts with customers	$	6,807	$	5,086	$	11,001	$	8,273

Contract with Customer, Asset and Liability

As of July 31, 2021, and January 31, 2021, contract assets and liabilities consisted of the following:

	July 31, 2021		January 31, 2021
Contract Assets:	(in thousands)
Unbilled revenue - current	$	106	$	85
Total unbilled revenue	$	106	$	85
Contract Liabilities:
Deferred revenue & customer deposits - current	$	399	$	691
Total deferred revenue & customer deposits	$	399	$	691