Revenue from Contracts with Customers (Tables)

6 Months Ended

Jul. 31, 2020

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,
	2020		2019		2020		2019
Revenue recognized at a point in time:	(in thousands)
Seamap	$	3,881	$	4,911	$	5,870	$	8,954
Klein	1,004		1,841		2,002		3,398
SAP	—		—		—		101
Total revenue recognized at a point in time	$	4,885	$	6,752	$	7,872	$	12,453
Revenue recognized over time:
Seamap	$	201	$	68	$	401	$	274
Total revenue recognized over time	201		68		401		274
Total revenue from contracts with customers	$	5,086	$	6,820	$	8,273	$	12,727

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,
	2020		2019		2020		2019
	(in thousands)
United States	$	686	$	1,084	$	1,786	$	1,841
Europe, Russia & CIS	1,604		2,563		2,980		5,167
Middle East & Africa	221		358		297		549
Asia-Pacific	2,222		1,910		2,499		3,108
Canada & Latin America	353		905		711		2,062
Total revenue from contracts with customers	$	5,086	$	6,820	$	8,273	$	12,727

Contract with Customer, Asset and Liability

As of July 31, 2020, and January 31, 2020, contract assets and liabilities consisted of the following:

	July 31, 2020		January 31, 2020
Contract Assets:	(in thousands)
Unbilled revenue - current	$	4	$	13
Total unbilled revenue	$	4	$	13
Contract Liabilities:
Deferred revenue & customer deposits - current	$	318	$	220
Deferred revenue & customer deposits - non-current	—		12
Total deferred revenue & customer deposits	$	318	$	232