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Note 11 - Contract Costs (Details Textual) $ in Thousands, xbrli-pure in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) | Jan. 01, 2018 USD ($) | Dec. 31, 2017 USD ($)
Capitalized Contract Cost, Net, Total |  | $ 1,390 | $ 1,400 |  |
Contract with Customer, Liability, Revenue Recognized | [1] | (239,096) |  |  |
Deferred Costs of Acquisition [Member] |  |  |  |  |
Capitalized Contract Cost, Net, Total |  | 1,390 |  | $ 1,404 | [2]
Increase (Decrease) in Capitalized Costs |  | 913 |  |  |
Capitalized Contract Cost, Amortization |  | 927 |  |  |
Capitalized Contract Cost, Impairment Loss |  | $ 0 |  |  |
Deferred Costs of Acquisition [Member] | Minimum [Member] |  |  |  |  |
Capitalized Contract Cost, Amortization Period |  | 2 years |  |  |
Deferred Costs of Acquisition [Member] | Maximum [Member] |  |  |  |  |
Capitalized Contract Cost, Amortization Period |  | 10 years |  |  |
Domain Registration Costs [Member] |  |  |  |  |
Capitalized Contract Cost, Net, Total | [3] | $ 106,527 |  | $ 127,003 |
Increase (Decrease) in Capitalized Costs |  | 163,447 |  |  |
Capitalized Contract Cost, Amortization |  | 183,923 |  |  |
Capitalized Contract Cost, Impairment Loss |  | $ 0 |  |  |
Domain Name Transfer to Counter Party |  | 2.8 |  |  |
Contract with Customer, Liability, Revenue Recognized |  | $ 16,700 |  |  |
Domain Registration Costs [Member] | Minimum [Member] |  |  |  |  |
Capitalized Contract Cost, Amortization Period |  | 1 year |  |  |
Domain Registration Costs [Member] | Maximum [Member] |  |  |  |  |
Capitalized Contract Cost, Amortization Period |  | 10 years |  |  |
[1] | As a result of the bulk transfers of 2.8 million domain names to Namecheap throughout 2018, recognized revenue for the year ended December 31, 2018 includes $16.9 million, related to previously deferred revenue, a portion of which would have otherwise been recognized after December 31, 2018.
[2] | The beginning balance consists entirely of a cumulative adjustment recorded on January 1, 2018 as a result of the modified retrospective adoption of Topic 606. See Note 2 &#8211; &#8220;Recent accounting pronouncements&#8221; of Notes to Consolidated Financial Statements for more information.
[3] | As a result of the bulk transfer of 2.8 million domain names to Namecheap throughout 2018, recognized costs for the year ended December 31, 2018 includes $16.7 million related to previously deferred prepaid registry fees, a portion of which would have otherwise been recognized after December 31, 2018.

X
- Definition The amount of domain names transfered to a counter party. + References No definition available. + Details
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Balance Type: | na
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X
- Definition Amount of increase (decrease) in capitalization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References No definition available. + Details
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X
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131251-203054 + Details
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- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 + Details
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