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Intangible Assets, Net (Details) - Schedule of intangible assets, net - USD ($) | Mar. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | $ 4,874,000 | $ 4,874,000 | $ 4,874,000
Accumulated Amortization | (4,538,957) | (4,492,790) | (4,246,109)
Net Carrying Amount | 335,043 | 381,210 | 627,891
Patents [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 50,000 | 50,000 | 50,000
Accumulated Amortization | (29,375) | (28,750) | (26,250)
Net Carrying Amount | 20,625 | 21,250 | 23,750
Trade names, trademarks, product names, URLs [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 555,000 | 555,000 | 555,000
Accumulated Amortization | (497,521) | (493,648) | (446,479)
Net Carrying Amount | 57,479 | 61,352 | 108,521
Internally developed software [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 1,990,000 | 1,990,000 | 1,990,000
Accumulated Amortization | (1,990,000) | (1,990,000) | (1,959,655)
Net Carrying Amount |  |  | 30,345
Subscriber/customer relationships [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Gross Carrying Amount | 2,279,000 | 2,279,000 | 2,279,000
Accumulated Amortization | (2,022,061) | (1,980,392) | (1,813,725)
Net Carrying Amount | $ 256,939 | $ 298,608 | $ 465,275

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