Revenue from Contracts with Customers (Tables)

12 Months Ended

Jan. 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:

	Twelve Months Ended January 31,
	2019		2018
Revenue recognized at a point in time:	(in thousands)
Seamap	$	15,213	$	—
Klein	6,515		—
SAP	3,264		—
Total revenue recognized at a point in time	$	24,992	$	—
Revenue recognized over time:
Seamap	776		$	—
Klein	—		—
SAP	—		—
Total revenue recognized over time	776		—
Total revenue from contracts with customers	$	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,
	2019		2018
Revenue from contracts with customers:	(in thousands)
United States	$	2,690	$	—
Europe, Russia & CIS	11,858		—
Middle East & Africa	1,243		—
Asia-Pacific	8,900		—
Canada & Latin America	1,077		—
Total revenue from contracts with customers	$	25,768	$	—

Contract with Customer, Asset and Liability

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

	January 31, 2019		January 31, 2018
Contract Assets:	(in thousands)
Unbilled revenue-current	$	340	$	—
Unbilled revenue - non-current	—		—
Total unbilled revenue	$	340	$	—
Contract Liabilities:
Deferred revenue & customer deposits - current	$	556	$	—
Deferred revenue & customer deposits - non-current	11		—
Total deferred revenue & customer deposits	$	567	$	—