Future Minimum Payments Under Noncancelable Operating Leases with Initial or Remaining Terms (Detail) (USD $)	Jun. 30, 2012
Operating Leased Assets [Line Items]
2013	$ 893,935
2014	802,125
2015	682,283
2016	572,123
2017	500,083
Thereafter	865,755
Total minimum lease payment	4,316,304
Leases With Unrelated Parties
Operating Leased Assets [Line Items]
2013	591,404
2014	497,257
2015	535,239
2016	425,079
2017	353,039
Thereafter	770,383
Total minimum lease payment	3,172,401
Leases With Related Parties
Operating Leased Assets [Line Items]
2013	302,531
2014	304,868
2015	147,044
2016	147,044
2017	147,044
Thereafter	95,372
Total minimum lease payment	$ 1,143,903