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Note 14 - Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Fair Value, by Balance Sheet Grouping [Table Text Block] |
|  | ﻿Year Ended December 31, 2021 |
|  | (in thousands) |
|  | Level 1﻿ |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash Equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. treasury bills |  | $ | — |  |  | $ | 199,999 |  |  | $ | — |  |  | $ | 199,999 |
Certificate of deposits |  |  | — |  |  |  | 1,433 |  |  |  | — |  |  |  | 1,433 |
Short term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificate of deposits |  |  | — |  |  |  | 2,411 |  |  |  | — |  |  |  | 2,411 |
Other assets﻿: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificate of deposits |  |  | — |  |  |  | 285 |  |  |  | — |  |  |  | 285 |
Total |  | $ | — |  |  | $ | 204,128 |  |  | $ | — |  |  | $ | 204,128 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Earn-out liabilities (1) |  | $ | — |  |  | $ | — |  |  | $ | 10,012 |  |  | $ | 10,012 |
Warrant liabilities (1) |  |  | — |  |  |  | 458 |  |  |  | — |  |  |  | 458 |
Total |  | $ | — |  |  | $ | 458 |  |  | $ | 10,012 |  |  | $ | 10,470 |
|  | ﻿Year Ended December 31, 2020 |
|  | (in thousands) |
|  | Level 1﻿ |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash Equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificate of deposits |  | $ | — |  |  | $ | 919 |  |  | $ | — |  |  | $ | 919 |
Short term investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificate of deposits |  |  | — |  |  |  | 992 |  |  |  | — |  |  |  | 992 |
Other assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificate of deposits |  |  | — |  |  |  | 800 |  |  |  | — |  |  |  | 800 |
Total |  | $ | — |  |  | $ | 2,711 |  |  | $ | — |  |  | $ | 2,711 |

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- References No definition available. + Details
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