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Note 10 - Revenue 1 (Details Textual) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 18, 2019	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Jan. 01, 2019 USD ($)	Sep. 25, 2018	Jan. 05, 2018
Contract with Customer, Liability, Revenue Recognized				$ (178,737)
Contract with Customer, Liability, Total		$ 154,141		$ 154,141		$ 143,694	$ 143,700
Ascio Technologies, Inc. [Member]
Finite-Lived Intangible Asset, Useful Life	7 years
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Customers		0	0	0	0
Customer Concentration Risk [Member] | Accounts Receivable [Member]
Number of Customers				0		0
Namecheap, Inc. [Member]
Domain Name Transfer to Counter Party								240,000	2,650,000
Contract with Customer, Liability, Revenue Recognized			$ 1,700		$ 16,300
Minimum [Member]
Domain Services, Purchased Term		1 year
Finite-Lived Intangible Asset, Useful Life				2 years
Minimum [Member] | Ascio Technologies, Inc. [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life	1 year
Maximum [Member]
Domain Services, Purchased Term		10 years
Finite-Lived Intangible Asset, Useful Life				15 years
Maximum [Member] | Ascio Technologies, Inc. [Member] | Active Domain Name Contracts [Member]
Finite-Lived Intangible Asset, Useful Life	10 years

X

- Definition

The amount of domain names transfered to a counter party.

+ References

No definition available.

+ Details

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X

- Definition

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+ References

No definition available.

+ Details

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- Definition

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+ References

No definition available.

+ Details

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X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044

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X

- 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://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045

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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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