XML 35 R24.htm IDEA: XBRL DOCUMENT
v3.21.2

Note 6 - Impairment of Long-lived Assets (Tables) | 9 Months Ended
--- | ---
Oct. 31, 2021
Notes Tables |
Schedule of Goodwill [Table Text Block] |
(In thousands) |  |  | January 31, 2021 |  |  |  | Foreign exchange change effect |  |  |  | October 31, 2021 |
Goodwill |  | $ | 2,332 |  |  | $ | 74 |  |  | $ | 2,406 |

X
- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration