10. SEGMENT AND GEOGRAPHIC REPORTING (Details - geographic) - USD ($)	3 Months Ended								12 Months Ended
	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2016	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Revenues	$ 6,688,000	$ 8,553,000	$ 7,357,000	$ 7,069,000	$ 6,266,000	$ 6,749,000	$ 5,705,000	$ 5,418,000	$ 29,666,524	$ 24,137,913	$ 19,972,079
North America [Member]
Revenues									18,846,000	15,997,000	12,384,000
Europe [Member]
Revenues									5,276,000	3,977,000	4,022,000
Asia [Member]
Revenues									5,515,000	4,162,000	3,564,000
South America [Member]
Revenues									30,000	1,000	2,000
Simulations Plus, Inc. [Member]
Revenues									17,553,000	17,553,000	15,600,000
Simulations Plus, Inc. [Member] | North America [Member]
Revenues									7,826,000	7,846,000	6,830,000
Simulations Plus, Inc. [Member] | Europe [Member]
Revenues									4,964,000	3,826,000	4,022,000
Simulations Plus, Inc. [Member] | Asia [Member]
Revenues									4,733,000	3,926,000	3,564,000
Simulations Plus, Inc. [Member] | South America [Member]
Revenues									30,000	1,000	2,000
Cognigen
Revenues									7,857,000	7,857,000	7,300,000
Cognigen | North America [Member]
Revenues									7,857,000	7,300,000	5,554,000
Cognigen | Europe [Member]
Revenues									0	0	0
Cognigen | Asia [Member]
Revenues									0	0	0
Cognigen | South America [Member]
Revenues									0	0	$ 0
DILIsym
Revenues									4,257,000	4,257,000
DILIsym | North America [Member]
Revenues									3,163,000	851,000
DILIsym | Europe [Member]
Revenues									312,000	151,000
DILIsym | Asia [Member]
Revenues									$ 782,000	$ 236,000