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Note 7 - Intangible Assets, Net - Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Aug. 19, 2021 | Dec. 31, 2021 | Dec. 31, 2020
Cost |  | $ 30,443 | $ 29,243
Amortization of intangible assets |  | (23,938) | (17,277)
Net Book Value |  | 6,505 | 11,966
Total intangible assets, net |  | 6,545 | 12,006
Intangible Assets Not Subject to Amortization [Member] |  |  |
Intangible assets not subject to amortization |  | $ 40 | $ 40
Developed Technology Rights [Member] |  |  |
Weighted Average Life (Year) | 5 years | 4 years 6 months | 4 years 4 months 24 days
Weighted Average Remaining Life (Year) |  | 10 months 24 days | 1 year 9 months 18 days
Cost |  | $ 28,556 | $ 27,356
Amortization of intangible assets |  | (22,463) | (16,152)
Net Book Value |  | $ 6,093 | $ 11,204
Patents [Member] |  |  |
Weighted Average Life (Year) |  | 14 years | 14 years
Weighted Average Remaining Life (Year) |  | 2 years 8 months 12 days | 3 years 8 months 12 days
Cost |  | $ 1,387 | $ 1,387
Amortization of intangible assets |  | (1,121) | (1,021)
Net Book Value |  | $ 266 | $ 366
Noncompete Agreements [Member] |  |  |
Weighted Average Life (Year) |  | 2 years | 2 years
Weighted Average Remaining Life (Year) |  | 7 months 6 days | 1 year 7 months 6 days
Cost |  | $ 500 | $ 500
Amortization of intangible assets |  | (354) | (104)
Net Book Value |  | $ 146 | $ 396

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. + 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 (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + 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)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 + Details
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