Commitments (Details 1) (USD $)	Jun. 30, 2012
Other Commitments
Operating Lease Obligations payments due, total	$ 2,878,335
Operating Lease Obligations payments due, less than 1 year	626,042
Operating Lease Obligations payments due, 1-3 years	1,672,383
Operating Lease Obligations payments due, 3-5 years	$ 579,910