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Note 7 - Intangible Assets, Net (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Acquired Finite-Lived Intangible Assets by Major Class [Table Text Block] |
|  |  |  |  |  |  |  |  |  | December 31, 2021 |
(in thousands) |  |  | Weighted Average Life (Years) |  |  |  | Weighted Average Remaining Life (Years) |  |  |  | Cost |  |  |  | Accumulated Amortization |  |  |  | Net Book Value |
Developed technology |  |  | 4.5 |  |  |  | 0.9 |  |  | $ | 28,556 |  |  | $ | (22,463 | ) |  | $ | 6,093 |
Patent licenses |  |  | 14.0 |  |  |  | 2.7 |  |  |  | 1,387 |  |  |  | (1,121 | ) |  |  | 266 |
Non-compete agreements |  |  | 2.0 |  |  |  | 0.6 |  |  |  | 500 |  |  |  | (354 | ) |  |  | 146 |
Total intangibles subject to amortization |  |  |  |  |  |  |  |  |  | $ | 30,443 |  |  | $ | (23,938 | ) |  |  | 6,505 |
Intangible assets not subject to amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40 |
Total intangible assets, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 6,545 |
|  |  |  |  |  |  |  |  |  |  | December 31, 2020 |
(in thousands) |  |  | Weighted Average Life (Years) |  |  |  | Weighted Average Remaining Life (Years) |  |  |  | Cost |  |  |  | Accumulated Amortization |  |  |  | Net Book Value |
Developed technology |  |  | 4.4 |  |  |  | 1.8 |  |  | $ | 27,356 |  |  | $ | (16,152 | ) |  | $ | 11,204 |
Patent licenses |  |  | 14.0 |  |  |  | 3.7 |  |  |  | 1,387 |  |  |  | (1,021 | ) |  |  | 366 |
Non-compete agreements |  |  | 2.0 |  |  |  | 1.6 |  |  |  | 500 |  |  |  | (104 | ) |  |  | 396 |
Total intangibles subject to amortization |  |  |  |  |  |  |  |  |  | $ | 29,243 |  |  | $ | (17,277 | ) |  |  | 11,966 |
Intangible assets not subject to amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40 |
Total intangible assets, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 12,006 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
|  |  | (in thousands) |
2022 |  | $ | 5,063 |
2023 |  |  | 590 |
2024 |  |  | 452 |
2025 |  |  | 240 |
2026 |  |  | 160 |
Total expected future amortization expense |  | $ | 6,505 |

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- 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 http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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