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Note 11 - Stock Option Plans - Stock-based Compensation Allocation to Operating Expenses (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Allocated share based compensation expense | $ 799,434 | $ 526,025 | $ 542,738
Network Expenses [Member] |  |  |
Allocated share based compensation expense | 21,704 | 28,915 | 30,938
Sales and Marketing Expense [Member] |  |  |
Allocated share based compensation expense | 236,063 | 188,035 | 143,514
Technical Operations and Development [Member] |  |  |
Allocated share based compensation expense | 98,059 | 111,239 | 85,904
General and Administrative Expense [Member] |  |  |
Allocated share based compensation expense | $ 443,608 | $ 197,836 | $ 282,382

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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