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Note 9 - Goodwill and Other Intangible Assets | 9 Months Ended
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Oct. 31, 2021
Notes to Financial Statements |
Goodwill and Intangible Assets Disclosure [Text Block] | 9. Goodwill and Other Intangible Assets
|  |  |  | October 31, 2021 |  |  | January 31, 2021 |
|  | Weighted |  | Gross |  |  |  |  |  |  |  |  |  |  | Net |  |  | Gross |  |  |  |  |  |  |  |  |  |  | Net |
|  | Average Life at |  | Carrying |  |  | Accumulated |  |  | Accumulated |  |  | Carrying |  |  | Carrying |  |  | Accumulated |  |  |  |  |  |  | Carrying |
|  | 10/31/2021 |  | Amount |  |  | Amortization |  |  | Impairment |  |  | Amount |  |  | Amount |  |  | Amortization |  |  | Impairment |  |  | Amount |
Goodwill |  |  |  | $ | 7,060 |  |  | $ | — |  |  | $ | (7,060 | ) |  | $ | — |  |  | $ | 7,060 |  |  | $ | — |  |  | $ | (7,060 | ) |  | $ | — |
Proprietary rights |  | 6.2 |  |  | 8,221 |  |  |  | (4,028 | ) |  |  | — |  |  |  | 4,193 |  |  |  | 7,781 |  |  |  | (3,688 | ) |  |  | — |  |  |  | 4,093 |
Customer relationships |  | 0.4 |  |  | 5,024 |  |  |  | (4,772 | ) |  |  | — |  |  |  | 252 |  |  |  | 5,024 |  |  |  | (4,513 | ) |  |  | — |  |  |  | 511 |
Patents |  | 2.9 |  |  | 2,440 |  |  |  | (1,715 | ) |  |  | — |  |  |  | 725 |  |  |  | 2,440 |  |  |  | (1,528 | ) |  |  | — |  |  |  | 912 |
Trade name |  | 4.6 |  |  | 894 |  |  |  | (83 | ) |  |  | (760 | ) |  |  | 51 |  |  |  | 894 |  |  |  | (74 | ) |  |  | (760 | ) |  |  | 60 |
Developed technology |  | 4.2 |  |  | 1,430 |  |  |  | (834 | ) |  |  | — |  |  |  | 596 |  |  |  | 1,430 |  |  |  | (727 | ) |  |  | — |  |  |  | 703 |
Other |  | 2.6 |  |  | 684 |  |  |  | (311 | ) |  |  | — |  |  |  | 373 |  |  |  | 684 |  |  |  | (213 | ) |  |  | — |  |  |  | 471 |
Amortizable intangible assets |  |  |  | $ | 18,693 |  |  | $ | (11,743 | ) |  | $ | (760 | ) |  | $ | 6,190 |  |  | $ | 18,253 |  |  | $ | (10,743 | ) |  | $ | (760 | ) |  | $ | 6,750 |
As of January 31, 2021, the Company has recorded impairment expense equal to 100% of the gross carrying amount of goodwill. As a result, no further review of goodwill is required. On January 31, 2021, the Company completed an annual review of amortizable intangible assets. Based on a review of qualitative factors it was determined it was more likely than not that the fair market value of intangible assets was greater than its carrying value. During the nine months ended October 31, 2021, there have been no substantive indicators of impairment. Aggregate amortization expense was $1,004,000 and $1,300,000 for the nine months ended October 31, 2021 and 2020, respectively. As of October 31, 2021, future estimated amortization expense related to amortizable intangible assets was estimated to be (in thousands):
For fiscal years ending January 31 |  |  |  |
2022 |  | $ | 294 |
2023 |  |  | 1,167 |
2024 |  |  | 1,032 |
2025 |  |  | 837 |
2026 |  |  | 700 |
Thereafter |  |  | 2,160 |
Total |  | $ | 6,190 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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