Concentrations - Schedule of Revenue from Each Geographic Location (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Revenue | $ 1,461,428 | $ 1,468,103 | $ 5,689,796 | $ 5,869,558 |
| Europe [Member] | ||||
| Revenue | $ 1,012,258 | $ 999,191 | $ 3,658,612 | $ 4,152,218 |
| Concentration risk percentage | 69.30% | 68.10% | 64.30% | 70.70% |
| North America [Member] | ||||
| Revenue | $ 308,072 | $ 355,781 | $ 1,532,273 | $ 1,162,869 |
| Concentration risk percentage | 21.10% | 25.00% | 26.90% | 19.80% |
| South America [Member] | ||||
| Revenue | $ 7,718 | $ 11,127 | $ 34,915 | $ 42,212 |
| Concentration risk percentage | 0.50% | 0.80% | 0.60% | 0.70% |
| Asia & Pacific [Member] | ||||
| Revenue | $ 105,932 | $ 93,504 | $ 363,838 | $ 414,725 |
| Concentration risk percentage | 7.30% | 6.60% | 6.40% | 7.10% |
| Africa [Member] | ||||
| Revenue | $ 27,448 | $ 8,500 | $ 43,948 | $ 46,783 |
| Concentration risk percentage | 1.90% | 0.60% | 0.80% | 0.80% |
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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