Revenue from Contracts with Customers (Tables)

3 Months Ended

Apr. 30, 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 April 30,
	2020		2019
Revenue recognized at a point in time:	(in thousands)
Seamap	$	2,014	$	4,118
Klein	998		1,557
SAP	—		101
Total revenue recognized at a point in time	$	3,012	$	5,776
Revenue recognized over time:
Seamap	$	200	$	206
Total revenue recognized over time	200		206
Total revenue from contracts with customers	$	3,212	$	5,982

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

	Three Months Ended April 30,
	2020		2019
	(in thousands)
United States	$	1,100	$	756
Europe, Russia & CIS	1,376		2,604
Middle East & Africa	76		191
Asia-Pacific	302		1,274
Canada & Latin America	358		1,157
Total revenue from contracts with customers	$	3,212	$	5,982

Contract with Customer, Asset and Liability

As of April 30, 2020, and January 31, 2020, contract assets and liabilities consisted of the following:

	April 30, 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	$	79	$	220
Deferred revenue & customer deposits - non-current	—		12
Total deferred revenue & customer deposits	$	79	$	232