Significant Accounting Policies (Details 2)	6 Months Ended		12 Months Ended
	Jun. 30, 2019		Dec. 31, 2018
Customer A [Member]
Concentration of credit risk	25.00%			[1]
Customer B [Member]
Concentration of credit risk	25.00%			[1]
Customer C [Member]
Concentration of credit risk	23.00%			[1]
Customer D [Member]
Concentration of credit risk	20.00%			[1]
Customer E [Member]
Concentration of credit risk		[1]	28.00%
Customer F [Member]
Concentration of credit risk		[1]	14.00%
Customer G [Member]
Concentration of credit risk		[1]	15.00%
Customer H [Member]
Concentration of credit risk		[1]	13.00%
Customer I [Member]
Concentration of credit risk		[1]	12.00%

[1] Less than 10%