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Property, Plant and Equipment (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Property, plant and equipment (Textual)        
Depreciation expense $ 107,208 $ 924 $ 198,398 $ 1,848