Commitments and Contingencies Schedule of future minimum lease payments (details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Leases
Rent expense related to operating leases	$ 287,372	$ 287,177	$ 326,949
2013	187,031
2014	0
2015	0
Beyond	0
Total	$ 187,031