Sales and Major Customers (Tables)

12 Months Ended

Jan. 31, 2021

Segment Reporting [Abstract]

Summary of Company's Revenues from Customers by Geographic Region, Outside the U.S.

A summary of the Company’s revenues, from continuing operations, from customers by geographic region, outside the U.S., is as follows (in thousands):

	Year Ended January 31,
	2021		2020
UK/Europe	$	8,005	$	14,975
Canada	1,267		3,519
Latin America	—		262
Asia/South Pacific	6,523		5,377
Eurasia	507		290
Other	1,226		1,576
Total	$	17,528	$	25,999