Property, Plant and Equipment (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Property, Plant and Equipment
Total property, plant and equipment	$ 12,226,338	$ 7,321,877
Less accumulated depreciation	(6,876,028)	(4,147,129)
Net property, plant and equipment	5,350,310	3,174,748
Depreciation	1,042,606	530,326	453,810
Land
Property, Plant and Equipment
Total property, plant and equipment	200,000	200,000
Buildings
Property, Plant and Equipment
Estimated useful lives	27 years
Total property, plant and equipment	759,281	759,281
Machinery and equipment
Property, Plant and Equipment
Total property, plant and equipment	5,682,609	3,552,316
Machinery and equipment | Minimum
Property, Plant and Equipment
Estimated useful lives	3 years
Machinery and equipment | Maximum
Property, Plant and Equipment
Estimated useful lives	10 years
Office equipment
Property, Plant and Equipment
Total property, plant and equipment	2,880,938	1,278,375
Office equipment | Minimum
Property, Plant and Equipment
Estimated useful lives	2 years
Office equipment | Maximum
Property, Plant and Equipment
Estimated useful lives	15 years
Leasehold improvements
Property, Plant and Equipment
Total property, plant and equipment	2,226,065	1,242,996
Leasehold improvements | Minimum
Property, Plant and Equipment
Estimated useful lives	1 year
Leasehold improvements | Maximum
Property, Plant and Equipment
Estimated useful lives	15 years
Vehicles
Property, Plant and Equipment
Total property, plant and equipment	$ 477,445	$ 288,909
Vehicles | Minimum
Property, Plant and Equipment
Estimated useful lives	3 years
Vehicles | Maximum
Property, Plant and Equipment
Estimated useful lives	5 years