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OTHER CURRENT ASSETS (Details) - Schedule of other current assets - USD ($) | Mar. 31, 2021 | Dec. 31, 2020
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Schedule of other current assets [Abstract] |  |
Prepaid insurance | $ 463,331 | $ 623,627
Other prepaid expenses | 56,102 | 5,403
Contract assets | 484,049 |
Total other current assets | $ 1,003,482 | $ 629,030

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