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Other Current Assets (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Inventories $ 183,900 $ 157,058
Prepaid rent, insurance and other assets 902,786 610,886
Other current assets $ 1,086,686 $ 767,944