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Note 11 - Share-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
Issuance Date |  | February 1, 2019 |  |  | December 20, 2019 |  |  | March 1, 2020 |
Fair value lower range |  | $ | 2.81 |  |  | $ | 1.58 |  |  | $ | 1.46 |
Fair value higher range |  | $ | 2.86 |  |  | $ | 1.61 |  |  | $ | 1.49 |
Exercise price |  | $ | 4.72 |  |  | $ | 2.56 |  |  | $ | 2.33 |
Expected term (in years) |  |  | 1.0 - 1.3 |  |  |  | 1.0 - 1.6 |  |  |  | 1.0 - 1.5 |
Expected volatility |  |  | 65 | % |  |  | 70 | % |  |  | 70 | %
Dividend yield |  |  | — | % |  |  | — | % |  |  | — | %
Risk-free rate |  |  | 2.61 | % |  |  | 1.85 | % |  |  | 1.05 | %
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Number of options |  |  | Weighted average exercise price per share |  |  | Weighted average remaining contractual term (years) |  |  | Aggregate intrinsic value |
Outstanding as of December 31, 2018 |  |  | 112,000 |  |  | $ | 13.98 |  |  |  | 2.8 |  |  |  | — |
Granted |  |  | 2,064,000 |  |  | $ | 4.72 |  |  |  | 9.1 |  |  |  |  |
Forfeited |  |  | (56,000 | ) |  |  |  |  |  |  |  |  |  |  |  |
Outstanding as of December 31, 2019 |  |  | 2,120,000 |  |  | $ | 5.21 |  |  |  | 8.7 |  |  |  | — |
Granted |  |  | 478,000 |  |  | $ | 2.48 |  |  |  | 9.0 |  |  |  | 1,228 |
Forfeited |  |  | (257,000 | ) |  |  |  |  |  |  |  |  |  |  |  |
Expired |  |  | (47,000 | ) |  |  |  |  |  |  |  |  |  |  |  |
Outstanding as of December 31, 2020 |  |  | 2,294,000 |  |  | $ | 4.34 |  |  |  | 8.0 |  |  |  | 2,256 |
Options exercisable as of December 31, 2020 |  |  | 1,069,000 |  |  | $ | 4.82 |  |  |  | 7.6 |  |  |  | 573 |
Schedule of Nonvested Share Activity [Table Text Block] |
|  | Number of options |  |  | Weighted average exercise price per share |  |  | Weighted average remaining contractual term (years) |
Unvested as of December 31, 2019 |  |  | 2,008,000 |  |  | $ | 4.72 |  |  |  | 9.1 |
Granted |  |  | 478,000 |  |  | $ | 2.48 |  |  |  | 9.0 |
Forfeited |  |  | (257,000 | ) |  |  |  |  |  |  |  |
Vested |  |  | (1,004,000 | ) |  |  |  |  |  |  |  |
Unvested as of December 31, 2020 |  |  | 1,225,000 |  |  | $ | 3.98 |  |  |  | 8.4 |
Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
|  |  |  |  |  | Weighted average |
|  | Number of units |  |  | grant date fair value |
Unvested as of December 31, 2018 |  |  | 3,831,965 |  |  | $ | 7.95 |
Granted |  |  | 2,275,094 |  |  | $ | 4.82 |
Vested and delivered |  |  | (1,549,050 | ) |  | $ | 3.97 |
Withheld as treasury stock (1) |  |  | (567,447 | ) |  | $ | 4.13 |
Vested not delivered (2) |  |  | 122,582 |  |  | $ | 4.76 |
Forfeited |  |  | (718,774 | ) |  | $ | 4.13 |
Unvested as of December 31, 2019 |  |  | 3,394,370 |  |  | $ | 8.03 |
Granted |  |  | 1,663,532 |  |  | $ | 2.03 |
Vested and delivered |  |  | (1,433,268 | ) |  | $ | 3.59 |
Withheld as treasury stock (1) |  |  | (219,795 | ) |  | $ | 4.06 |
Vested not delivered (2) |  |  | 525,334 |  |  | $ | 2.84 |
Forfeited |  |  | (553,076 | ) |  | $ | 3.47 |
Unvested as of December 31, 2020 |  |  | 3,377,097 |  |  | $ | 7.09 |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] |
|  | Year Ended December 31, |
(In thousands) |  | 2020 |  |  | 2019 |
Sales and marketing |  | $ | 822 |  |  | $ | 971 |
Product development |  |  | 1,099 |  |  |  | 889 |
General and administrative |  |  | 3,473 |  |  |  | 8,481 |
Share-based compensation expense |  |  | 5,394 |  |  |  | 10,341 |
Capitalized in intangible assets |  |  | 162 |  |  |  | 89 |
Total share-based compensation |  | $ | 5,556 |  |  | $ | 10,430 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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