XML 37 R28.htm IDEA: XBRL DOCUMENT
v3.23.2

Note 9 - Intangible Assets (Tables) | 6 Months Ended
--- | ---
Jul. 31, 2023
Notes Tables |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
|  |  |  | July 31, 2023 |  |  | January 31, 2023 |
|  | Weighted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Average Life at |  | Gross Carrying |  |  | Accumulated |  |  |  |  |  | Net Carrying |  |  | Gross Carrying |  |  | Accumulated |  |  |  |  |  |  | Net Carrying |
|  | July 31, 2023 |  | Amount |  |  | Amortization |  |  | Impairment |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Impairment |  |  | Amount |
|  |  |  | (in thousands) |  |  | (in thousands) |
Proprietary rights |  | 4.7 |  |  | 8,238 |  |  |  | (4,835 | ) |  |  | — |  |  |  | 3,403 |  |  |  | 8,238 |  |  |  | (4,606 | ) |  |  | — |  |  |  | 3,632 |
Customer relationships |  | 0.1 |  |  | 5,024 |  |  |  | (4,943 | ) |  |  | — |  |  |  | 81 |  |  |  | 5,024 |  |  |  | (4,894 | ) |  |  | — |  |  |  | 130 |
Patents |  | 1.6 |  |  | 2,540 |  |  |  | (2,123 | ) |  |  | — |  |  |  | 417 |  |  |  | 2,540 |  |  |  | (2,027 | ) |  |  | — |  |  |  | 513 |
Trade name |  | 2.8 |  |  | 894 |  |  |  | (102 | ) |  |  | (760 | ) |  |  | 32 |  |  |  | 894 |  |  |  | (97 | ) |  |  | (760 | ) |  |  | 37 |
Developed technology |  | 2.4 |  |  | 1,430 |  |  |  | (1,084 | ) |  |  | — |  |  |  | 346 |  |  |  | 1,430 |  |  |  | (1,013 | ) |  |  | — |  |  |  | 417 |
Other |  | 0.9 |  |  | 714 |  |  |  | (575 | ) |  |  | — |  |  |  | 139 |  |  |  | 705 |  |  |  | (503 | ) |  |  | — |  |  |  | 202 |
Intangible assets |  |  |  | $ | 18,840 |  |  | $ | (13,662 | ) |  | $ | (760 | ) |  | $ | 4,418 |  |  | $ | 18,831 |  |  | $ | (13,140 | ) |  | $ | (760 | ) |  | $ | 4,931 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
For fiscal years ending January 31, |  |  | (in thousands) |
2024 |  | $ | 468 |
2025 |  |  | 743 |
2026 |  |  | 617 |
2027 |  |  | 330 |
2028 |  |  | 283 |
Thereafter |  |  | 1,054 |
Total |  | $ | 3,495 |

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 -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 + 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 -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + 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