Schedule of Future Minimum Rental Payments for Operating Leases (Details)	6 Months Ended
	Jun. 30, 2012
Commitments And Contingencies Schedule Of Future Minimum Rental Payments For Operating Leases 1	1,477,055
Commitments And Contingencies Schedule Of Future Minimum Rental Payments For Operating Leases 2	2,053,948
Commitments And Contingencies Schedule Of Future Minimum Rental Payments For Operating Leases 3	2,106,557
Commitments And Contingencies Schedule Of Future Minimum Rental Payments For Operating Leases 4	1,851,892
Commitments And Contingencies Schedule Of Future Minimum Rental Payments For Operating Leases 5	1,025,819
Commitments And Contingencies Schedule Of Future Minimum Rental Payments For Operating Leases 6	787,982
Commitments And Contingencies Schedule Of Future Minimum Rental Payments For Operating Leases 7	9,303,253