Concentrations and Risks (Details Textual) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) Customer Supplier	Sep. 30, 2015 Customer	Sep. 30, 2016 USD ($) WholesaleCustomer	Sep. 30, 2015 Customer	Dec. 31, 2015 USD ($)
Concentrations and Risks (Textual)
Allowance for doubtful accounts | $	$ 3.1		$ 3.1		$ 2.2
Revenues [Member]
Concentrations and Risks (Textual)
Number of wholesale customer | WholesaleCustomer			1
Wholesale Customer One [Member] | Revenues [Member]
Concentrations and Risks (Textual)
Concentration risk, percentage	12.00%	16.00%	10.00%	11.00%
Number of wholesale customer	1	1		1
Wholesale Customer Two [Member] | Revenues [Member]
Concentrations and Risks (Textual)
Concentration risk, percentage				11.00%
Number of wholesale customer				1
Wholesale Business [Member] | Raw Materials [Member]
Concentrations and Risks (Textual)
Concentration risk, percentage			10.00%
Wholesale Business [Member] | Finished Goods [Member] | Manufacturer One [Member]
Concentrations and Risks (Textual)
Concentration risk, percentage	29.20%	15.00%	26.60%	19.50%
Wholesale Business [Member] | Finished Goods [Member] | Manufacturer Two [Member]
Concentrations and Risks (Textual)
Concentration risk, percentage			11.60%
Retail Business [Member] | Raw Materials [Member]
Concentrations and Risks (Textual)
Concentration risk, percentage	23.00%	10.00%	10.00%	10.00%
Number of raw material supplier | Supplier	1
Retail Business [Member] | Finished Goods [Member]
Concentrations and Risks (Textual)
Concentration risk, percentage	10.00%	10.00%	10.00%	10.00%