Summary of Significant Accounting Policies (Details 2)	Jun. 30, 2019	Dec. 31, 2018
Company A [Member]
Revenue, Major Customer [Line Items]
Accounts receivable due from significant customers	48.00%	35.00%
Company B [Member]
Revenue, Major Customer [Line Items]
Accounts receivable due from significant customers	28.00%	36.00%
Company C [Member]
Revenue, Major Customer [Line Items]
Accounts receivable due from significant customers	12.00%	15.00%