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Note 4 - Revenue Recognition (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | December 31, |
|  | 2023 |  |  | 2022 |
Trade receivables, included in accounts receivable* |  | $ | 15,897 |  |  | $ | 16,459 |
Contract assets, included in accounts receivable |  |  | 1,128 |  |  |  | 775 |
Contract liabilities, included in Deferred revenue - short-term |  |  | 3,656 |  |  |  | 3,565 |
Contract liabilities, included in Deferred revenue - long-term |  |  | 9,318 |  |  |  | 11,605 |
Disaggregation of Revenue [Table Text Block] |
|  | Year ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Contract revenue from customers with > 1-year arrangement |  | $ | 37,055 |  |  | $ | 33,686 |  |  | $ | 25,918 |
Contract revenue from customer with < 1-year arrangement |  |  | 330,973 |  |  |  | 362,106 |  |  |  | 295,246 |
Revenue from non-contractual arrangements |  |  | 222 |  |  |  | 222 |  |  |  | 222 |
Total revenue |  | $ | 368,250 |  |  | $ | 396,014 |  |  | $ | 321,386 |
|  | Year ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Bill-and-hold revenue |  | $ | 43,766 |  |  | $ | 36,805 |  |  | $ | 34,695 |
Non-bill-and-hold revenue |  |  | 324,484 |  |  |  | 359,209 |  |  |  | 286,691 |
Total revenue |  | $ | 368,250 |  |  | $ | 396,014 |  |  | $ | 321,386 |
Revenue from External Customers by Geographic Areas [Table Text Block] |
|  | Year ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
United States |  | $ | 367,368 |  |  | $ | 394,671 |  |  | $ | 320,148 |
All Foreign Countries |  |  | 882 |  |  |  | 1,343 |  |  |  | 1,238 |
Total |  | $ | 368,250 |  |  | $ | 396,014 |  |  | $ | 321,386 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph a -SubTopic 10 -Topic 280 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-41 + Details
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