Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses And Other Current Assets (Details)

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Prepaid Expenses And Other Current Assets (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Prepaid Expenses And Other Current Assets [Abstract]    
Deposits on contracts $ 566,721 $ 618,417
Prepaid expenses and other current assets 410,157 555,430
Total prepaid expenses and other current assets $ 976,878 $ 1,173,847