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Goodwill and Other Intangible Assets | 12 Months Ended
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Jan. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Intangible Assets | Goodwill and Other Intangible Assets
| Weighted Average Life at 1/31/20 |  | January 31, 2020 |  | January 31, 2019
| Gross Carrying Amount |  | Accumulated Amortization |  | Impairment |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Impairment |  | Net Carrying Amount
|  |  | (in thousands) |  | (in thousands)
Goodwill |  |  | $ | 7,060 |  |  | $ | — |  |  | $ | (4,529 | ) |  | $ | 2,531 |  |  | $ | 7,060 |  |  | $ | — |  |  | $ | (4,529 | ) |  | $ | 2,531 |
Proprietary rights | 7.0 |  | $ | 9,293 |  |  | $ | (4,971 | ) |  | — |  |  | 4,322 |  |  | $ | 9,303 |  |  | $ | (4,292 | ) |  | — |  |  | 5,011 |
Customer relationships | 1.8 |  | 5,024 |  |  | (3,831 | ) |  | — |  |  | 1,193 |  |  | 5,024 |  |  | (3,147 | ) |  | — |  |  | 1,877 |
Patents | 4.5 |  | 2,440 |  |  | (1,277 | ) |  | — |  |  | 1,163 |  |  | 2,441 |  |  | (1,028 | ) |  | — |  |  | 1,413 |
Trade name | 6.3 |  | 894 |  |  | (63 | ) |  | (760 | ) |  | 71 |  |  | 894 |  |  | (52 | ) |  | — |  |  | 842 |
Developed technology | 5.9 |  | 1,430 |  |  | (584 | ) |  | — |  |  | 846 |  |  | 1,430 |  |  | (441 | ) |  | — |  |  | 989 |
Other | 4.3 |  | 653 |  |  | (87 | ) |  | — |  |  | 566 |  |  | 385 |  |  | (22 | ) |  | — |  |  | 363 |
Amortizable intangible assets |  | $ | 19,734 |  |  | $ | (10,813 | ) |  | $ | (760 | ) |  | $ | 8,161 |  |  | $ | 19,477 |  |  | $ | (8,982 | ) |  | $ | — |  |  | $ | 10,495 |
As of January 31, 2020, the Company completed its annual review of goodwill and indefinite lived intangible assets. Based on a review of qualitative factors it was determined it was more likely than not that the fair value of our Seamap reporting unit was greater than its carrying value. Based on a review of qualitative and quantitative factors it was determined it was more likely than not that the fair value of our Klein reporting unit was not greater than its carrying value. Accordingly, we recorded an impairment of approximately $760,000 related to indefinite lived intangible assets in the Klein reporting unit. As of January 31, 2019, the Company completed its annual review of goodwill and indefinite lived intangible assets. Based on a review of qualitative factors it was determined it was more likely than not that the fair value of our Seamap and Klein reporting units were greater than their carrying values. On January 31, 2018, the Company completed an annual review of goodwill. Based on a review of qualitative factors it was determined it was more likely than not that the fair value of our Seamap reporting unit was greater than its carrying value. Based on a review of qualitative and quantitative factors it was determined it was more likely than not that the fair value of our Klein reporting unit was not greater than its carrying value. Accordingly, we recorded an impairment of approximately $1.5 million related to goodwill in the Klein reporting unit. Aggregate amortization expense was $1.8 million, $1.8 million and $1.5 million for the fiscal years ended January 31, 2020, 2019 and 2018, respectively. As of January 31, 2020, future estimated amortization expense related to amortizable intangible assets is estimated to be (in thousands):
For fiscal years ending January 31: |
2021 | $ | 1,733 |
2022 | 1,256 |
2023 | 1,088 |
2024 | 976 |
2025 | 746 |
Thereafter | 2,362 |
Total | $ | 8,161 |

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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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