Patents

12 Months Ended

Jul. 31, 2015

Accounting Policies [Abstract]

Patents

Note 4 - Patents:

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

	July 31,
	2015		2014
Patents	$	4,705,715	$	5,725,908
Less: Accumulated Amortization		3,275,699		3,679,547
Patents, Net	$	1,430,016	$	2,046,361
Weighted Average Life		6.6 years		7.8 years

Amortization expense amounted to $378,954 and $357,965 for the years ended July 31, 2015 and 2014, respectively. Amortization expense is expected to be approximately $265,000 per year for the years ended July 31, 2016 through 2020. During the year ended July 31, 2015, the Company wrote off patents with a net book value of $320,160 as the patents had been abandoned or were no longer being used. The charge was included in general and administrative expenses on our consolidated statements of operations and comprehensive loss. During the year ended July 31, 2014, the Company did not write off any patents.