Patents

12 Months Ended

Jul. 31, 2017

Accounting Policies [Abstract]

Patents

Note 4 - Patents:

The costs and accumulated amortization of patents are summarized as follows:

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

Amortization expense amounted to $1,370 and $281,894 for the years ended July 31, 2017 and 2016, respectively. During the year ended July 31, 2016, the Company wrote off patents with a net book value of $1,165,864 as the patents had been abandoned or were no longer being used.