Intangible Assets Amortization (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Intangible Assets Amortizations
Amortizations on intangible asset	$ 152,202	$ 237,246	$ 305,000	$ 471,642