Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Basic:
Income (loss) attributable to common stock	$ (3,129,608)	$ 416,128	$ 6,919,554	$ (6,723,849)
Diluted:
Income (loss) attributable to common stock, including assumed conversions	$ (3,129,608)	$ 416,128	$ 6,919,554	$ (6,723,849)
Weighted Average Common Shares Outstanding
Weighted Average Common Shares Outstanding, Basic	2,014,141	1,916,554	2,004,143	1,882,088
Weighted Average Common Shares Outstanding, Diluted	2,014,141	2,734,760	2,251,127	1,882,088
Effective of Dilutive Securities:
Stock options and warrants	0	818,206	246,984	0
Per Share Basic:
Earnings Per Share, Basic	$ (1.55)	$ 0.22	$ 3.45	$ (3.57)
Per Share Diluted:
Earnings Per Share, Diluted	$ (1.55)	$ 0.15	$ 3.07	$ (3.57)