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Sales and Major Customers (Tables) | 12 Months Ended
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Jan. 31, 2018
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 customers by geographic region, outside the U.S., is as follows (in thousands):
| Years Ended January 31,
| 2018 |  | 2017 |  | 2016
UK/Europe | $ | 11,835 |  |  | $ | 14,577 |  |  | $ | 16,437 |
Canada | 807 |  |  | 1,891 |  |  | 1,354 |
Latin America | 1,354 |  |  | 2,983 |  |  | 3,283 |
Asia/South Pacific | 16,768 |  |  | 10,348 |  |  | 16,623 |
Eurasia | 332 |  |  | 3,120 |  |  | 3,659 |
Other | 5,834 |  |  | 1,828 |  |  | 3,147 |
Total | $ | 36,930 |  |  | $ | 34,747 |  |  | $ | 44,503 |

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- Definition Tabular disclosure of information concerning material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
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