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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Jan. 31, 2017
Equity [Abstract] |
Changes in Balance of Accumulated Other Comprehensive Loss | The changes in the balance of accumulated other comprehensive loss by component are as follows:
(In thousands) |  | Foreign Currency Translation Adjustments |  |  | Unrealized Holding Gain (Loss) on Available for Sale Securities |  |  | Total |
Balance at January 31, 2014 |  | $ | 152 |  |  | $ | 24 |  |  | $ | 176 |
Other Comprehensive Loss |  |  | (866 | ) |  |  | (9 | ) |  |  | (875 | )
Amounts Reclassified to Net Income |  |  | — |  |  |  | — |  |  |  | — |
Net Other Comprehensive Loss |  |  | (866 | ) |  |  | (9 | ) |  |  | (875) |
Balance at January 31, 2015 |  |  | (714 | ) |  |  | 15 |  |  |  | (699 | )
Other Comprehensive Loss |  |  | (269 | ) |  |  | (7 | ) |  |  | (276 | )
Amounts Reclassified to Net Income |  |  | — |  |  |  | — |  |  |  | — |
Net Other Comprehensive Loss |  |  | (269 | ) |  |  | (7 | ) |  |  | (276 | )
Balance at January 31, 2016 |  | $ | (983 | ) |  | $ | 8 |  |  | $ | (975 | )
Other Comprehensive Loss |  |  | (65 | ) |  |  | (16 | ) |  |  | (81 | )
Amounts Reclassified to Net Income |  |  | — |  |  |  | — |  |  |  | — |
Net Other Comprehensive Loss |  |  | (65 | ) |  |  | (16 | ) |  |  | (81 | )
Balance at January 31, 2017 |  | $ | (1,048 | ) |  | $ | (8 | ) |  | $ | (1,056 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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