Revenue from Contracts with Customers (Tables)

12 Months Ended

Jan. 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:

	Twelve Months Ended January 31,
	2020		2019
Revenue recognized at a point in time:	(in thousands)
Seamap	$	21,270	$	15,213
Klein	7,468		6,515
SAP	101		3,264
Total revenue recognized at a point in time	$	28,839	$	24,992
Revenue recognized over time:
Seamap	$	733	$	776
Klein	—		—
SAP	—		—
Total revenue recognized over time	733		776
Total revenue from contracts with customers	$	29,572	$	25,768

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

	Twelve Months Ended January 31,
	2020		2019
Revenue from contracts with customers:	(in thousands)
United States	$	3,920	$	2,690
Europe, Russia & CIS	15,262		11,858
Middle East & Africa	1,576		1,243
Asia-Pacific	5,030		8,900
Canada & Latin America	3,784		1,077
Total revenue from contracts with customers	$	29,572	$	25,768

Contract with Customer, Asset and Liability

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

	January 31, 2020		January 31, 2019
Contract Assets:	(in thousands)
Unbilled revenue-current	$	13	$	340
Unbilled revenue - non-current	—		—
Total unbilled revenue	$	13	$	340
Contract Liabilities:
Deferred revenue & customer deposits - current	$	220	$	556
Deferred revenue & customer deposits - non-current	12		11
Total deferred revenue & customer deposits	$	232	$	567