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Inventories - Schedule of Inventories (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 3,437 $ 3,482
Finished goods 453,634 628,439
Cost of projects 49,233 152,131
Inventories, gross 506,304 784,052
Allowance for slow-moving or obsolete inventories (203,366) (90,375)
Inventories, net $ 302,938 $ 693,677