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Note 6 - Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Goodwill [Table Text Block] |
(In thousands) |  | Goodwill |
Balance as of December 31, 2018 |  | $ | - |
Goodwill related to Astero acquisition |  |  | 9,515 |
Goodwill related to SAVSU acquisition |  |  | 21,037 |
Goodwill related to CBS acquisition |  |  | 3,085 |
Balance as of December 31, 2019 |  |  | 33,637 |
Correction of an error related to CBS goodwill |  |  | (131 | )
Goodwill related to SciSafe acquisition |  |  | 24,943 |
Balance as of December 31, 2020 |  | $ | 58,449 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
(In thousands, except weighted average useful life) |  | December 31, 2020 |  |  |  |  |
Finite-lived intangible assets: |  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Carrying Value |  |  | Weighted Average Useful Life (in years) |
Customer Relationships |  | $ | 8,220 |  |  | $ | (330 | ) |  | $ | 7,890 |  |  |  | 12.8 |
Tradenames |  |  | 6,610 |  |  |  | (508 | ) |  |  | 6,102 |  |  |  | 14.0 |
Technology - acquired |  |  | 19,670 |  |  |  | (3,232 | ) |  |  | 16,438 |  |  |  | 7.1 |
Non-compete agreements |  |  | 660 |  |  |  | (41 | ) |  |  | 619 |  |  |  | 3.8 |
Total intangible assets |  | $ | 35,160 |  |  | $ | (4,111 | ) |  | $ | 31,049 |  |  |  | 9.7 |
|  | December 31, 2019 |  |  |  |  |
|  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Carrying Value |  |  | Weighted Average Useful Life (in years) |
Customer Relationships |  | $ | 800 |  |  | $ | (51 | ) |  | $ | 749 |  |  |  | 5.6 |
Tradenames |  |  | 2,590 |  |  |  | (123 | ) |  |  | 2,467 |  |  |  | 8.1 |
Technology - acquired |  |  | 19,020 |  |  |  | (904 | ) |  |  | 18,116 |  |  |  | 8.4 |
In-process R&D⁽¹⁾ |  |  | 650 |  |  |  | - |  |  |  | 650 |  |  |  | 9.0 |
Total intangible assets |  | $ | 23,060 |  |  | $ | (1,078 | ) |  | $ | 21,982 |  |  |  | 8.3 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
(In thousands) |  |  |  |
For the Years Ended December 31, |  | Estimated Amortization Expense |
2021 |  | $ | 3,731 |
2022 |  |  | 3,731 |
2023 |  |  | 3,701 |
2024 |  |  | 3,635 |
2025 |  |  | 3,463 |
Thereafter |  |  | 12,788 |
Total |  | $ | 31,049 |

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