Summary of Significant Accounting Policies - Additional Information (Detail)									9 Months Ended
	Sep. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2013 CITIC Bank USD ($)	Sep. 30, 2013 CITIC Bank CNY	Aug. 28, 2013 CITIC Bank USD ($)	Aug. 28, 2013 CITIC Bank CNY	Sep. 30, 2013 Spd Bank USD ($)	Sep. 30, 2013 Spd Bank CNY	Sep. 30, 2013 Product Concentration Risk Sales Revenue, Services, Net Production Services	Sep. 30, 2012 Product Concentration Risk Sales Revenue, Services, Net Production Services
Significant Accounting Policies [Line Items]
Controlled affiliate, ownership percentage	100.00%
Concentration of risk percentage									2.22%	2.27%
Restricted cash and cash equivalents	$ 4,335,470	$ 0
Inventory valuation reserves	1,908,402	0
Cash deposit			$ 1,400,000	8,400,000	$ 1,400,000	8,400,000	$ 3,000,000	18,200,000