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Concentrations (Details Narrative) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Cash and restricted cash | $ 26,238,531 | $ 25,752,637
Revenue Benchmark [Member] | Customer One [Member] |  |
Concentration risk percentage | 97.00% | 99.00%
Revenue Benchmark [Member] | Customer Two [Member] |  |
Concentration risk percentage | 3.00% | 1.00%

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