Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2017	Jan. 31, 2016
Revenue
Royalty and licensing revenue	$ 13,535,000	$ 6,860,000	$ 14,656,142	$ 6,980,000
Revenues	13,535,000	6,860,000	14,656,142	6,980,000
Operating expenses
General and administrative	1,355,704	2,394,505	2,572,006	12,990,324
Research and development	344,836	254,881	786,670	879,892
Selling expenses	1,196,563	209,251	1,238,599	209,251
Total operating expenses	2,897,103	2,858,637	4,597,275	14,079,467
Income (loss) from operations	10,637,897	4,001,363	10,058,867	(7,099,467)
Other income (expense)
Interest income (expense), net	877	(5,491)	(1,367)	(11,319)
Income (loss) on foreign exchange	11,016	(25,832)	(8,338)	(29,191)
Total other income (expense)	11,893	(31,323)	(9,705)	(40,510)
Income (loss) before provision for income taxes	10,649,790	3,970,040	10,049,162	(7,139,977)
Provision for income taxes	0	0	0	0
Net income (loss)	$ 10,649,790	$ 3,970,040	$ 10,049,162	$ (7,139,977)
Basic income (loss) per common share	$ 5.31	$ 2.11	$ 5.03	$ (3.83)
Diluted income (loss) per common share	$ 4.91	$ 1.52	$ 4.55	$ (3.83)
Basic weighted average common shares outstanding	2,006,181	1,880,279	1,999,307	1,865,230
Diluted weighted average common shares outstanding	2,169,966	2,605,270	2,210,990	1,865,230