CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	12 Months Ended
Jul. 31, 2019	Jul. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 1,514,801	$ 2,974,141
Unrealized gain on available-for-sale securities:
Unrealized holding gains arising during the period, net of taxes of $130,963 for the fiscal year 2018 (Note 13)		134,117
Reclassification adjustment for net gains included in net income, net of taxes of $7,963 for the year ended July 31, 2018 (Note 13)		(15,457)
Unrealized gain on available-for-sale securities, net of taxes		118,660
Comprehensive income	$ 1,514,801	$ 3,092,801

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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