Revenue from Contracts with Customers (Tables)

6 Months Ended

Jul. 31, 2019

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,
	2019		2018		2019			2018
Revenue recognized at a point in time:	(in thousands)
Seamap	$	4,836	$	3,611	$	8,954		$	5,156
Klein	1,841		1,401		3,398			2,877
SAP	—		797		101			1,277
Total revenue recognized at a point in time	$	6,677	$	5,809	$	12,453	—	$	9,310
Revenue recognized over time:
Seamap	$	68	$	203	$	274		$	410
Total revenue recognized over time	68		203		274		—	410
Total revenue from contracts with customers	$	6,745	$	6,012	$	12,727	—	$	9,720

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,
	2019		2018		2019		2018
	(in thousands)
United States	$	1,084	$	1,124	$	1,841	$	1,252
Europe, Russia & CIS	2,563		2,747		5,167		4,766
Middle East & Africa	358		122		549		636
Asia-Pacific	1,835		1,979		3,108		2,679
Canada & Latin America	905		40		2,062		387
Total revenue from contracts with customers	$	6,745	$	6,012	$	12,727	$	9,720

Contract with Customer, Asset and Liability

As of July 31, 2019 and January 31, 2019 contract assets and liabilities consisted of the following:

	July 31, 2019		January 31, 2019
Contract Assets:	(in thousands)
Unbilled revenue - current	$	343	$	340
Total unbilled revenue	$	343	$	340
Contract Liabilities:
Deferred revenue & customer deposits - current	$	512	$	556
Deferred revenue & customer deposits - non-current	6		11
Total deferred revenue & customer deposits	$	518	$	567