XML 35 R26.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Note 8 - Intangible Assets (Tables) | 9 Months Ended
--- | ---
Oct. 31, 2022
Notes Tables |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  |  |  | October 31, 2022 |  |  | January 31, 2022 |
|  | Weighted |  | Gross |  |  |  |  |  |  |  |  |  |  | Net |  |  | Gross |  |  |  |  |  |  |  |  |  |  | Net |
|  | Average Life at |  | Carrying |  |  | Accumulated |  |  |  |  |  | Carrying |  |  | Carrying |  |  | Accumulated |  |  |  |  |  |  | Carrying |
|  | October 31, 2022 |  | Amount |  |  | Amortization |  |  | Impairment |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Impairment |  |  | Amount |
|  |  |  | (in thousands) |  |  | (in thousands) |
Proprietary rights |  | 5.3 |  |  | 8,237 |  |  |  | (4,492 | ) |  |  | — |  |  |  | 3,745 |  |  |  | 8,237 |  |  |  | (4,150 | ) |  |  | — |  |  |  | 4,087 |
Customer relationships |  | 0.2 |  |  | 5,024 |  |  |  | (4,870 | ) |  |  | — |  |  |  | 154 |  |  |  | 5,024 |  |  |  | (4,797 | ) |  |  | — |  |  |  | 227 |
Patents |  | 2.2 |  |  | 2,540 |  |  |  | (1,965 | ) |  |  | — |  |  |  | 575 |  |  |  | 2,540 |  |  |  | (1,778 | ) |  |  | — |  |  |  | 762 |
Trade name |  | 3.6 |  |  | 894 |  |  |  | (94 | ) |  |  | (760 | ) |  |  | 40 |  |  |  | 894 |  |  |  | (85 | ) |  |  | (760 | ) |  |  | 49 |
Developed technology |  | 3.2 |  |  | 1,430 |  |  |  | (977 | ) |  |  | — |  |  |  | 453 |  |  |  | 1,430 |  |  |  | (870 | ) |  |  | — |  |  |  | 560 |
Other |  | 1.5 |  |  | 694 |  |  |  | (468 | ) |  |  | — |  |  |  | 226 |  |  |  | 694 |  |  |  | (361 | ) |  |  | — |  |  |  | 333 |
Intangible assets |  |  |  | $ | 18,819 |  |  | $ | (12,866 | ) |  | $ | (760 | ) |  | $ | 5,193 |  |  | $ | 18,819 |  |  | $ | (12,041 | ) |  | $ | (760 | ) |  | $ | 6,018 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
For fiscal years ending January 31, |  |  | (in thousands) |
2023 |  | $ | 274 |
2024 |  |  | 955 |
2025 |  |  | 725 |
2026 |  |  | 634 |
2027 |  |  | 333 |
Thereafter |  |  | 1,349 |
Total |  | $ | 4,270 |

X
- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + 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 https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
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