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Note 16 - Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
|  | (in thousands) |
Cost of revenue |  | $ | 1,315 |  |  | $ | 3,161 |  |  | $ | 2,640 |
Sales and marketing |  |  | 8,965 |  |  |  | 9,518 |  |  |  | 11,393 |
General and administrative |  |  | 20,483 |  |  |  | 19,338 |  |  |  | 19,398 |
Research and development |  |  | 8,296 |  |  |  | 4,031 |  |  |  | 3,787 |
Total stock-based compensation |  | $ | 39,059 |  |  | $ | 36,048 |  |  | $ | 37,218 |
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Expected term (in years) |  | 6.11 |  |  |  | 6.11 |  |  |  | 6.11 |
Expected volatility |  | 55.85 | % |  |  | 59.19 | % |  |  | 45.18 | %
Risk-free rate |  | 4.10 | % |  |  | 3.63 | % |  |  | 2.16 | %
Dividend yield |  |  | — |  |  |  | — |  |  |  | — |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Stock Options |  |  | Weighted-Average Exercise Price |  |  | Weighted-Average Remaining Contractual Life |
Balance, January 1, 2024 |  |  | 27,192,185 |  |  | $ | 4.25 |  |  |  | 5.91 |
Granted |  |  | 469,920 |  |  |  | 7.26 |  |  |  | — |
Exercised |  |  | (3,415,893 | ) |  |  | 3.23 |  |  |  | — |
Forfeited or expired |  |  | (966,195 | ) |  |  | 7.64 |  |  |  | — |
Balance, December 31, 2024 |  |  | 23,280,017 |  |  | $ | 4.32 |  |  |  | 5.08 |
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block] |
|  | Outstanding |  |  | Exercisable |
Exercise Price |  | Stock Options |  |  | Weighted-Average Contractual Life |  |  | Weighted-Average Exercise Price |  |  | Stock Options |  |  | Weighted-Average Contractual Life |  |  | Weighted-Average Exercise Price |
$ 0.16 - $ 1.59 |  |  | 7,600,165 |  |  |  | 2.67 |  |  | $ | 1.41 |  |  |  | 7,600,165 |  |  |  | 2.67 |  |  | $ | 1.41 |
$ 1.60 - $ 4.00 |  |  | 9,120,504 |  |  |  | 5.61 |  |  |  | 3.90 |  |  |  | 9,120,504 |  |  |  | 5.61 |  |  |  | 3.90 |
$ 4.01 - $ 9.64 |  |  | 6,559,348 |  |  |  | 7.14 |  |  |  | 8.27 |  |  |  | 4,414,391 |  |  |  | 6.88 |  |  |  | 8.71 |
|  |  | 23,280,017 |  |  |  | 5.08 |  |  | $ | 4.32 |  |  |  | 21,135,060 |  |  |  | 4.82 |  |  | $ | 4.01 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
|  | Unvested PSUs |  |  | Unvested Time-Based RSUs |  |  |  |  |
|  | Number of Shares |  |  | Number of Shares |  |  | Weighted-Average Grant-Date Fair Value |
Unvested as of December 31, 2023 |  |  | — |  |  |  | 10,702,589 |  |  | $ | 5.54 |
Granted |  |  | 502,676 |  |  |  | 3,807,121 |  |  |  | 7.66 |
Vested |  |  | — |  |  |  | (4,805,497 | ) |  |  | 5.73 |
Forfeited |  |  | — |  |  |  | (547,110 | ) |  |  | 5.92 |
Unvested as of December 31, 2024 |  |  | 502,676 |  |  |  | 9,157,103 |  |  | $ | 6.36 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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