Schedule of Stock-Based Compensation Expense (Details) (USD $)	9 Months Ended
	Apr. 30, 2013
Capital Stock Schedule Of Stock-based Compensation Expense 1	$ 0
Capital Stock Schedule Of Stock-based Compensation Expense 2	0
Capital Stock Schedule Of Stock-based Compensation Expense 3	190,500
Capital Stock Schedule Of Stock-based Compensation Expense 4	0
Capital Stock Schedule Of Stock-based Compensation Expense 5	0
Capital Stock Schedule Of Stock-based Compensation Expense 6	104,774
Capital Stock Schedule Of Stock-based Compensation Expense 7	0
Capital Stock Schedule Of Stock-based Compensation Expense 8	167,374
Capital Stock Schedule Of Stock-based Compensation Expense 9	(12,379)
Capital Stock Schedule Of Stock-based Compensation Expense 10	135,032
Capital Stock Schedule Of Stock-based Compensation Expense 11	258,109
Capital Stock Schedule Of Stock-based Compensation Expense 12	711,249
Capital Stock Schedule Of Stock-based Compensation Expense 13	(12,379)
Capital Stock Schedule Of Stock-based Compensation Expense 14	239,806
Capital Stock Schedule Of Stock-based Compensation Expense 15	448,609
Capital Stock Schedule Of Stock-based Compensation Expense 16	878,623
Capital Stock Schedule Of Stock-based Compensation Expense 17	0
Capital Stock Schedule Of Stock-based Compensation Expense 18	0
Capital Stock Schedule Of Stock-based Compensation Expense 19	0
Capital Stock Schedule Of Stock-based Compensation Expense 20	834,219
Capital Stock Schedule Of Stock-based Compensation Expense 21	0
Capital Stock Schedule Of Stock-based Compensation Expense 22	0
Capital Stock Schedule Of Stock-based Compensation Expense 23	0
Capital Stock Schedule Of Stock-based Compensation Expense 24	834,219
Capital Stock Schedule Of Stock-based Compensation Expense 25	92,566
Capital Stock Schedule Of Stock-based Compensation Expense 26	182,543
Capital Stock Schedule Of Stock-based Compensation Expense 27	361,018
Capital Stock Schedule Of Stock-based Compensation Expense 28	1,021,833
Capital Stock Schedule Of Stock-based Compensation Expense 29	92,566
Capital Stock Schedule Of Stock-based Compensation Expense 30	182,543
Capital Stock Schedule Of Stock-based Compensation Expense 31	361,018
Capital Stock Schedule Of Stock-based Compensation Expense 32	1,021,833
Capital Stock Schedule Of Stock-based Compensation Expense 33	(10,229)
Capital Stock Schedule Of Stock-based Compensation Expense 34	(22,979)
Capital Stock Schedule Of Stock-based Compensation Expense 35	(52,318)
Capital Stock Schedule Of Stock-based Compensation Expense 36	(153,993)
Capital Stock Schedule Of Stock-based Compensation Expense 37	69,958
Capital Stock Schedule Of Stock-based Compensation Expense 38	399,370
Capital Stock Schedule Of Stock-based Compensation Expense 39	757,309
Capital Stock Schedule Of Stock-based Compensation Expense 40	$ 2,580,682