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Note 4 - Acquisitions (Details Textual) - USD ($) |  |  |  |  | 10 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 21, 2018 | Feb. 01, 2017 | Jan. 20, 2017 | Feb. 27, 2015 | Apr. 20, 2018 | Jun. 30, 2017 | Dec. 31, 2016
Redeemable Noncontrolling Interest, Equity, Redemption Value |  |  |  |  |  | $ 1,200,000 |
Redeemable Noncontrolling Interest, Equity, Carrying Amount |  |  |  |  |  | 1,111,138 | $ 3,086,090
Ting Virginia LLC [Member] |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  | 20.00% |  | 70.00% |  |  |
Business Combination, Consideration Transferred |  | $ 2,000,000 |  | $ 3,500,000 |  |  |
Ting Virginia LLC [Member] | Exercisable by the Minority Shareholders [Member] |  |  |  |  |  |  |
Business Combination, Interest Subject to Call Option, Not Exercised in Period |  | 10.00% |  |  |  |  |
Ting Virginia LLC [Member] | Exercisable by the Minority Shareholders [Member] | Exercisable on Fourth Anniversary of Business Combination [Member] |  |  |  |  |  |  |
Business Combination, Consideration to be Transfered Upon Exercise of Options Per Percentage Point |  | $ 120,000 |  |  |  |  |
eNom, Incorporated [Member] |  |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  | $ 77,831,677 |  |  |  |
Payments to Acquire Businesses, Gross |  |  | 83,500,000 |  |  |  |
Business Combination, Consideration Transferred, Estimated Price Adjusments |  |  | 5,700,000 |  |  |  |
Business Acquisition, Transaction Costs |  |  | $ 800,000 |  |  |  |
eNom, Incorporated [Member] | General and Administrative Expense [Member] |  |  |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  |  |  | $ 400,000 |
eNom, Incorporated [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |
Business Combination, Minimum Cash Amount | $ 0 |  |  |  | $ 5,350,000 |  |

X
- Definition Represents the amount that will be transferred upon the exercise of the option per percentage point. + References No definition available. + Details
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- Definition Amount of estimated price adjustments that are expected to be incurred by the acquiring entity. Excludes cash. + References No definition available. + Details
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- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References No definition available. + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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