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Intangible Assets, Net (Details) - USD ($) | Mar. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 8,826,000 | $ 8,826,000 | $ 8,826,000
Accumulated Amortization | (5,326,745) | (4,905,558) | (3,220,807)
Net Carrying Amount | 3,499,255 | 3,920,442 | 5,605,193
Patents [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 50,000 | 50,000 | 50,000
Accumulated Amortization | (21,875) | (21,250) | (18,750)
Net Carrying Amount | 28,125 | 28,750 | 31,250
Trade names, trademarks, product names, URLs [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 1,555,000 | 1,555,000 | 1,555,000
Accumulated Amortization | (649,354) | (585,479) | (329,979)
Net Carrying Amount | 905,646 | 969,521 | 1,225,021
Internally developed software [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 2,720,000 | 2,720,000 | 2,720,000
Accumulated Amortization | (2,001,363) | (1,900,697) | (1,498,029)
Net Carrying Amount | 718,637 | 819,303 | 1,221,971
Subscriber/customer relationships [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 4,219,000 | 4,219,000 | 4,219,000
Accumulated Amortization | (2,442,653) | (2,221,882) | (1,338,799)
Net Carrying Amount | 1,776,347 | 1,997,118 | 2,880,201
Lead pool [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 282,000 | 282,000 | 282,000
Accumulated Amortization | (211,500) | (176,250) | (35,250)
Net Carrying Amount | $ 70,500 | $ 105,750 | $ 246,750

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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