Concentrations and Risks (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Company's revenues as per geographic areas
Net revenue	$ 106,015,169	$ 78,311,490
Wholesale business [Member]
Company's revenues as per geographic areas
Net revenue	39,441,489	31,660,455
Retail business-PRC [Member]
Company's revenues as per geographic areas
Net revenue	66,573,680	46,651,035
The People's Republic of China(PRC) [Member]
Company's revenues as per geographic areas
Net revenue	14,598,025	13,031,064
Germany [Member]
Company's revenues as per geographic areas
Net revenue	6,298,160	4,371,333
United Kingdom [Member]
Company's revenues as per geographic areas
Net revenue	2,624,147	2,864,634
France [Member]
Company's revenues as per geographic areas
Net revenue	3,924,062	3,412,988
Europe-Other [Member]
Company's revenues as per geographic areas
Net revenue	2,531,860	554,627
Japan [Member]
Company's revenues as per geographic areas
Net revenue	6,242,892	3,698,834
United States [Member]
Company's revenues as per geographic areas
Net revenue	$ 3,222,343	$ 3,726,975