Property and Equipment, Net (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Total cost	$ 10,141,816	$ 9,572,822
Less: accumulated depreciation	(4,820,824)	(4,337,955)
Property and equipment, net	5,320,992	5,234,867
Building [Member]
Property, Plant and Equipment [Line Items]
Total cost	1,653,263	1,653,263
Equipment [Member]
Property, Plant and Equipment [Line Items]
Total cost	5,761,079	5,172,523
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Total cost	312,650	312,650
Computer software[Member]
Property, Plant and Equipment [Line Items]
Total cost	395,146	392,206
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total cost	170,118	170,118
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total cost	1,808,461	1,793,756
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Total cost	$ 41,099	$ 78,306