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, 2018
Dec. 31, 2017
Prepaid Expenses And Other Current Assets [Abstract]    
Deposits on contracts $ 739,622 $ 793,940
Prepaid expenses and other current assets 491,643 510,601
Total prepaid expenses and other current assets $ 1,231,265 $ 1,304,541