Concentrations and Risks (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2014 Customer	Jun. 30, 2013 Customer	Jun. 30, 2014 Customer Manufacturer	Jun. 30, 2013 Manufacturer Customer
Wholesale business [Member]
Concentrations and Risks (Textual)
Number of wholesale customer	1	2	1	2
Percentage of revenues hold by wholesale customer one	15.00%	14.00%	14.00%	11.00%
Percentage of revenues hold by wholesale customer two		10.00%		11.00%
Percentage of raw materials purchases represented by supplier one	11.00%
Percentage of raw materials not relied on supplier	10.00%	10.00%	10.00%	10.00%
Number of manufacturers of finished goods	2	2	2	2
Percentage of purchased finished goods represented by manufacturer one	15.00%	17.00%	16.00%	15.00%
Percentage of purchased finished goods represented by manufacturer two	14.00%	16.00%	10.00%	13.00%
Retail business [Member]
Concentrations and Risks (Textual)
Number of raw materials suppliers		1
Percentage of purchased finished goods represented by manufacturer two	10.00%	10.00%	10.00%	10.00%
Percentage of finished goods not relied on supplier	10.00%	10.00%	10.00%	10.00%