Concentration (Details 1) - Purchase [Member]	3 Months Ended				9 Months Ended
	Sep. 30, 2016		Sep. 30, 2015		Sep. 30, 2016		Sep. 30, 2015
Concentration of purchase from suppliers
Concentration risk supplier, Percentage	10.00%		10.00%		10.00%		10.00%
Supplier A [Member]
Concentration of purchase from suppliers
Concentration risk supplier, Percentage	37.00%		27.00%		23.00%		25.00%
Supplier B [Member]
Concentration of purchase from suppliers
Concentration risk supplier, Percentage	18.00%			[1]	10.00%			[1]
Supplier C [Member]
Concentration of purchase from suppliers
Concentration risk supplier, Percentage	16.00%			[1]		[1]		[1]
Supplier D [Member]
Concentration of purchase from suppliers
Concentration risk supplier, Percentage		[1]	14.00%		12.00%			[1]
Supplier E [Member]
Concentration of purchase from suppliers
Concentration risk supplier, Percentage		[1]		[1]		[1]	10.00%

[1] Less than 10%.