Schedule of Property, Plant and Equipment (Details) (USD $)	3 Months Ended
	Oct. 31, 2013
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 1	$ 7,107,717
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 2	(461,095)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 3	6,646,622
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 4	7,107,717
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 5	(416,403)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 6	6,691,314
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 7	2,525,666
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 8	(1,333,606)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 9	1,192,060
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 10	2,333,572
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 11	(1,227,989)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 12	1,105,583
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 13	1,852,764
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 14	(1,394,608)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 15	458,156
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 16	1,852,764
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 17	(1,334,418)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 18	518,346
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 19	644,456
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 20	(514,759)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 21	129,697
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 22	648,567
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 23	(495,455)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 24	153,112
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 25	193,013
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 26	(150,078)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 27	42,935
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 28	193,013
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 29	(142,001)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 30	51,012
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 31	175,144
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 32	0
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 33	175,144
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 34	175,144
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 35	0
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 36	175,144
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 37	9,970
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 38	(9,266)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 39	704
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 40	9,970
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 41	(9,204)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 42	766
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 43	12,508,730
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 44	(3,863,412)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 45	8,645,318
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 46	12,320,747
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 47	(3,625,470)
Property, Plant And Equipment Schedule Of Property, Plant And Equipment 48	$ 8,695,277