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Prepaid Expenses and Other Current Assets (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Prepaid Expenses and Other Current Assets [Abstract]    
Prepaid expenses $ 142,528 $ 130,813
Other receivables [1] 493,289 149,590
Security deposits [2] 34,264
Total $ 635,817 $ 314,667
[1] This amount as of December 31, 2018 includes $450,000 due from a third party for the sale of assets. See Note 14.
[2] This amount as of December 31, 2017 represents the current portion of escrow funds held against certain construction performance requirements that was released during the fourth quarter of 2018.