Schedule of Operating Results by Geographic Segments (Details) (USD $)	3 Months Ended		9 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
Segment Information Schedule Of Operating Results By Geographic Segments 1	$ 2,789,325
Segment Information Schedule Of Operating Results By Geographic Segments 2	0
Segment Information Schedule Of Operating Results By Geographic Segments 3	0
Segment Information Schedule Of Operating Results By Geographic Segments 4	0
Segment Information Schedule Of Operating Results By Geographic Segments 5	0
Segment Information Schedule Of Operating Results By Geographic Segments 6	2,789,325
Segment Information Schedule Of Operating Results By Geographic Segments 7	2,271,267
Segment Information Schedule Of Operating Results By Geographic Segments 8	0
Segment Information Schedule Of Operating Results By Geographic Segments 9	0
Segment Information Schedule Of Operating Results By Geographic Segments 10	0
Segment Information Schedule Of Operating Results By Geographic Segments 11	0
Segment Information Schedule Of Operating Results By Geographic Segments 12	2,271,267
Segment Information Schedule Of Operating Results By Geographic Segments 13	518,058
Segment Information Schedule Of Operating Results By Geographic Segments 14	0
Segment Information Schedule Of Operating Results By Geographic Segments 15	0
Segment Information Schedule Of Operating Results By Geographic Segments 16	0
Segment Information Schedule Of Operating Results By Geographic Segments 17	0
Segment Information Schedule Of Operating Results By Geographic Segments 18	518,058
Segment Information Schedule Of Operating Results By Geographic Segments 19	1,595,302
Segment Information Schedule Of Operating Results By Geographic Segments 20	505
Segment Information Schedule Of Operating Results By Geographic Segments 21	116,299
Segment Information Schedule Of Operating Results By Geographic Segments 22	0
Segment Information Schedule Of Operating Results By Geographic Segments 23	115,041
Segment Information Schedule Of Operating Results By Geographic Segments 24	1,827,147
Segment Information Schedule Of Operating Results By Geographic Segments 25	1,160,988
Segment Information Schedule Of Operating Results By Geographic Segments 26	31,478
Segment Information Schedule Of Operating Results By Geographic Segments 27	38,742
Segment Information Schedule Of Operating Results By Geographic Segments 28	1,015,870
Segment Information Schedule Of Operating Results By Geographic Segments 29	(2,396)
Segment Information Schedule Of Operating Results By Geographic Segments 30	2,244,682
Segment Information Schedule Of Operating Results By Geographic Segments 31	324,844
Segment Information Schedule Of Operating Results By Geographic Segments 32	758
Segment Information Schedule Of Operating Results By Geographic Segments 33	6,950
Segment Information Schedule Of Operating Results By Geographic Segments 34	9,458
Segment Information Schedule Of Operating Results By Geographic Segments 35	2,970
Segment Information Schedule Of Operating Results By Geographic Segments 36	344,980
Segment Information Schedule Of Operating Results By Geographic Segments 37	(3,642)
Segment Information Schedule Of Operating Results By Geographic Segments 38	5,020
Segment Information Schedule Of Operating Results By Geographic Segments 39	0
Segment Information Schedule Of Operating Results By Geographic Segments 40	(80)
Segment Information Schedule Of Operating Results By Geographic Segments 41	(4)
Segment Information Schedule Of Operating Results By Geographic Segments 42	1,294
Segment Information Schedule Of Operating Results By Geographic Segments 43	(2,559,434)
Segment Information Schedule Of Operating Results By Geographic Segments 44	(37,761)
Segment Information Schedule Of Operating Results By Geographic Segments 45	(161,991)
Segment Information Schedule Of Operating Results By Geographic Segments 46	(1,025,248)
Segment Information Schedule Of Operating Results By Geographic Segments 47	(115,611)
Segment Information Schedule Of Operating Results By Geographic Segments 48	(3,900,045)
Segment Information Schedule Of Operating Results By Geographic Segments 1		0
Segment Information Schedule Of Operating Results By Geographic Segments 2		0
Segment Information Schedule Of Operating Results By Geographic Segments 3		0
Segment Information Schedule Of Operating Results By Geographic Segments 4		0
Segment Information Schedule Of Operating Results By Geographic Segments 5		0
Segment Information Schedule Of Operating Results By Geographic Segments 6		0
Segment Information Schedule Of Operating Results By Geographic Segments 7		0
Segment Information Schedule Of Operating Results By Geographic Segments 8		0
Segment Information Schedule Of Operating Results By Geographic Segments 9		0
Segment Information Schedule Of Operating Results By Geographic Segments 10		0
Segment Information Schedule Of Operating Results By Geographic Segments 11		0
Segment Information Schedule Of Operating Results By Geographic Segments 12		0
Segment Information Schedule Of Operating Results By Geographic Segments 13		0
Segment Information Schedule Of Operating Results By Geographic Segments 14		0
Segment Information Schedule Of Operating Results By Geographic Segments 15		0
Segment Information Schedule Of Operating Results By Geographic Segments 16		0
Segment Information Schedule Of Operating Results By Geographic Segments 17		0
Segment Information Schedule Of Operating Results By Geographic Segments 18		0
Segment Information Schedule Of Operating Results By Geographic Segments 19		2,191,220
Segment Information Schedule Of Operating Results By Geographic Segments 20		238,586
Segment Information Schedule Of Operating Results By Geographic Segments 21		70,372
Segment Information Schedule Of Operating Results By Geographic Segments 22		0
Segment Information Schedule Of Operating Results By Geographic Segments 23		1,511,811
Segment Information Schedule Of Operating Results By Geographic Segments 24		4,011,989
Segment Information Schedule Of Operating Results By Geographic Segments 25		2,578,447
Segment Information Schedule Of Operating Results By Geographic Segments 26		46,141
Segment Information Schedule Of Operating Results By Geographic Segments 27		54,406
Segment Information Schedule Of Operating Results By Geographic Segments 28		1,073,986
Segment Information Schedule Of Operating Results By Geographic Segments 29		10,988
Segment Information Schedule Of Operating Results By Geographic Segments 30		3,763,968
Segment Information Schedule Of Operating Results By Geographic Segments 31		294,078
Segment Information Schedule Of Operating Results By Geographic Segments 32		758
Segment Information Schedule Of Operating Results By Geographic Segments 33		7,252
Segment Information Schedule Of Operating Results By Geographic Segments 34		9,734
Segment Information Schedule Of Operating Results By Geographic Segments 35		2,826
Segment Information Schedule Of Operating Results By Geographic Segments 36		314,648
Segment Information Schedule Of Operating Results By Geographic Segments 37		(6,369)
Segment Information Schedule Of Operating Results By Geographic Segments 38		142,152
Segment Information Schedule Of Operating Results By Geographic Segments 39		0
Segment Information Schedule Of Operating Results By Geographic Segments 40		(1,947)
Segment Information Schedule Of Operating Results By Geographic Segments 41		(90)
Segment Information Schedule Of Operating Results By Geographic Segments 42		133,746
Segment Information Schedule Of Operating Results By Geographic Segments 43		(5,057,376)
Segment Information Schedule Of Operating Results By Geographic Segments 44		(427,637)
Segment Information Schedule Of Operating Results By Geographic Segments 45		(132,030)
Segment Information Schedule Of Operating Results By Geographic Segments 46		(1,081,773)
Segment Information Schedule Of Operating Results By Geographic Segments 47		(1,525,535)
Segment Information Schedule Of Operating Results By Geographic Segments 48		(8,224,351)
Segment Information Schedule Of Operating Results By Geographic Segments 1			7,046,325
Segment Information Schedule Of Operating Results By Geographic Segments 2			0
Segment Information Schedule Of Operating Results By Geographic Segments 3			0
Segment Information Schedule Of Operating Results By Geographic Segments 4			0
Segment Information Schedule Of Operating Results By Geographic Segments 5			0
Segment Information Schedule Of Operating Results By Geographic Segments 6			7,046,325
Segment Information Schedule Of Operating Results By Geographic Segments 7			6,225,661
Segment Information Schedule Of Operating Results By Geographic Segments 8			0
Segment Information Schedule Of Operating Results By Geographic Segments 9			0
Segment Information Schedule Of Operating Results By Geographic Segments 10			0
Segment Information Schedule Of Operating Results By Geographic Segments 11			0
Segment Information Schedule Of Operating Results By Geographic Segments 12			6,225,661
Segment Information Schedule Of Operating Results By Geographic Segments 13			820,664
Segment Information Schedule Of Operating Results By Geographic Segments 14			0
Segment Information Schedule Of Operating Results By Geographic Segments 15			0
Segment Information Schedule Of Operating Results By Geographic Segments 16			0
Segment Information Schedule Of Operating Results By Geographic Segments 17			0
Segment Information Schedule Of Operating Results By Geographic Segments 18			820,664
Segment Information Schedule Of Operating Results By Geographic Segments 19			7,049,924
Segment Information Schedule Of Operating Results By Geographic Segments 20			126,655
Segment Information Schedule Of Operating Results By Geographic Segments 21			364,524
Segment Information Schedule Of Operating Results By Geographic Segments 22			0
Segment Information Schedule Of Operating Results By Geographic Segments 23			568,593
Segment Information Schedule Of Operating Results By Geographic Segments 24			8,109,696
Segment Information Schedule Of Operating Results By Geographic Segments 25			4,610,551
Segment Information Schedule Of Operating Results By Geographic Segments 26			106,266
Segment Information Schedule Of Operating Results By Geographic Segments 27			127,265
Segment Information Schedule Of Operating Results By Geographic Segments 28			3,432,314
Segment Information Schedule Of Operating Results By Geographic Segments 29			887
Segment Information Schedule Of Operating Results By Geographic Segments 30			8,277,283
Segment Information Schedule Of Operating Results By Geographic Segments 31			1,146,764
Segment Information Schedule Of Operating Results By Geographic Segments 32			2,275
Segment Information Schedule Of Operating Results By Geographic Segments 33			26,819
Segment Information Schedule Of Operating Results By Geographic Segments 34			31,820
Segment Information Schedule Of Operating Results By Geographic Segments 35			8,885
Segment Information Schedule Of Operating Results By Geographic Segments 36			1,216,563
Segment Information Schedule Of Operating Results By Geographic Segments 37			(2,352)
Segment Information Schedule Of Operating Results By Geographic Segments 38			16,319
Segment Information Schedule Of Operating Results By Geographic Segments 39			0
Segment Information Schedule Of Operating Results By Geographic Segments 40			(43)
Segment Information Schedule Of Operating Results By Geographic Segments 41			(10,924)
Segment Information Schedule Of Operating Results By Geographic Segments 42			3,000
Segment Information Schedule Of Operating Results By Geographic Segments 43			(11,984,223)
Segment Information Schedule Of Operating Results By Geographic Segments 44			(251,515)
Segment Information Schedule Of Operating Results By Geographic Segments 45			(518,608)
Segment Information Schedule Of Operating Results By Geographic Segments 46			(3,464,091)
Segment Information Schedule Of Operating Results By Geographic Segments 47			(567,441)
Segment Information Schedule Of Operating Results By Geographic Segments 48			(16,785,878)
Segment Information Schedule Of Operating Results By Geographic Segments 1				6,240,000
Segment Information Schedule Of Operating Results By Geographic Segments 2				0
Segment Information Schedule Of Operating Results By Geographic Segments 3				0
Segment Information Schedule Of Operating Results By Geographic Segments 4				0
Segment Information Schedule Of Operating Results By Geographic Segments 5				0
Segment Information Schedule Of Operating Results By Geographic Segments 6				6,240,000
Segment Information Schedule Of Operating Results By Geographic Segments 7				3,160,854
Segment Information Schedule Of Operating Results By Geographic Segments 8				0
Segment Information Schedule Of Operating Results By Geographic Segments 9				0
Segment Information Schedule Of Operating Results By Geographic Segments 10				0
Segment Information Schedule Of Operating Results By Geographic Segments 11				0
Segment Information Schedule Of Operating Results By Geographic Segments 12				3,160,854
Segment Information Schedule Of Operating Results By Geographic Segments 13				3,079,146
Segment Information Schedule Of Operating Results By Geographic Segments 14				0
Segment Information Schedule Of Operating Results By Geographic Segments 15				0
Segment Information Schedule Of Operating Results By Geographic Segments 16				0
Segment Information Schedule Of Operating Results By Geographic Segments 17				0
Segment Information Schedule Of Operating Results By Geographic Segments 18				3,079,146
Segment Information Schedule Of Operating Results By Geographic Segments 19				7,913,401
Segment Information Schedule Of Operating Results By Geographic Segments 20				425,289
Segment Information Schedule Of Operating Results By Geographic Segments 21				150,916
Segment Information Schedule Of Operating Results By Geographic Segments 22				0
Segment Information Schedule Of Operating Results By Geographic Segments 23				2,417,674
Segment Information Schedule Of Operating Results By Geographic Segments 24				10,907,280
Segment Information Schedule Of Operating Results By Geographic Segments 25				7,794,338
Segment Information Schedule Of Operating Results By Geographic Segments 26				246,301
Segment Information Schedule Of Operating Results By Geographic Segments 27				276,475
Segment Information Schedule Of Operating Results By Geographic Segments 28				3,020,492
Segment Information Schedule Of Operating Results By Geographic Segments 29				31,611
Segment Information Schedule Of Operating Results By Geographic Segments 30				11,369,217
Segment Information Schedule Of Operating Results By Geographic Segments 31				869,522
Segment Information Schedule Of Operating Results By Geographic Segments 32				1,011
Segment Information Schedule Of Operating Results By Geographic Segments 33				19,551
Segment Information Schedule Of Operating Results By Geographic Segments 34				39,467
Segment Information Schedule Of Operating Results By Geographic Segments 35				5,573
Segment Information Schedule Of Operating Results By Geographic Segments 36				935,124
Segment Information Schedule Of Operating Results By Geographic Segments 37				(40,844)
Segment Information Schedule Of Operating Results By Geographic Segments 38				239,781
Segment Information Schedule Of Operating Results By Geographic Segments 39				0
Segment Information Schedule Of Operating Results By Geographic Segments 40				(1,446)
Segment Information Schedule Of Operating Results By Geographic Segments 41				(59)
Segment Information Schedule Of Operating Results By Geographic Segments 42				197,432
Segment Information Schedule Of Operating Results By Geographic Segments 43				(13,457,271)
Segment Information Schedule Of Operating Results By Geographic Segments 44				(912,382)
Segment Information Schedule Of Operating Results By Geographic Segments 45				(446,942)
Segment Information Schedule Of Operating Results By Geographic Segments 46				(3,058,513)
Segment Information Schedule Of Operating Results By Geographic Segments 47				(2,454,799)
Segment Information Schedule Of Operating Results By Geographic Segments 48				$ (20,329,907)