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Note 8 - Acquisitions - Preliminary Purchase Consideration (Details) - USD ($)	Jan. 20, 2017	Mar. 31, 2017	Dec. 31, 2016
Goodwill		$ 85,526,787	$ 21,005,143
eNom Incorporated [Member]
Goodwill	$ 64,521,645
Cash	1,594,217
Prepaid domain registry fees	70,643,994
Other assets	10,170,789
Total assets	191,230,645
Deferred Revenue	(77,798,994)
Deferred Tax Liabilities	(20,011,945)
Other liabilities	(15,588,029)
Total liabilities	(113,398,968)
Preliminary consideration paid	77,831,677
eNom Incorporated [Member] \| Brand [Member]
Finite-Lived Intangibles	12,400,000
eNom Incorporated [Member] \| Technology-Based Intangible Assets [Member]
Finite-Lived Intangibles	3,900,000
eNom Incorporated [Member] \| Customer Relationships [Member]
Finite-Lived Intangibles	$ 28,000,000