4. PROPERTY AND EQUIPMENT

12 Months Ended

Aug. 31, 2017

Property, Plant and Equipment [Abstract]

PROPERTY AND EQUIPMENT

Property and equipment at August 31, 2017 and 2016 consisted of the following:

	2017		2016
Equipment	$	618,915	$	487,458
Computer equipment		141,615		125,385
Furniture and fixtures		239,105		200,595
Leasehold improvements		103,599		103,599
		1,103,235		917,037
Less accumulated depreciation and amortization		812,100		660,656
Total	$	291,135	$	256,381

Depreciation expense was $151,444, $196,250, and $211,454 for the years ended August 31, 2017, 2016, and 2015, respectively.