Patents (Tables)

12 Months Ended

Jul. 31, 2017

Accounting Policies [Abstract]

Costs and accumulated amortization of patents

Beginning balance as of August 1, 2015	$	1,430,016
Additions		17,742
Less: Amortization expense		281,894
Write-off due to abandonment		(1,165,864	)
Patents, net as of July 31, 2016		—
Net patents acquired during acquisition of HDS		27,221
Less: Amortization expense		1,370
Patents, net as of July 31, 2017	$	25,851
Weighted average life		9 years