10. SEGMENT AND GEOGRAPHIC REPORTING (Details - geographic) - USD ($)	3 Months Ended								12 Months Ended
	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Feb. 28, 2018	Nov. 30, 2017	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
Revenues	$ 8,026,000	$ 9,937,000	$ 8,472,000	$ 7,536,000	$ 6,688,000	$ 8,553,000	$ 7,357,000	$ 7,069,000	$ 33,970,440	$ 29,666,524	$ 24,137,913
North America [Member]
Revenues									22,523,000	18,846,000	15,997,000
Europe [Member]
Revenues									5,829,000	5,276,000	3,977,000
Asia [Member]
Revenues									5,565,000	5,515,000	4,162,000
South America [Member]
Revenues									54,000	30,000	1,000
Simulations Plus, Inc. [Member]
Revenues									19,585,000	17,553,000	15,600,000
Simulations Plus, Inc. [Member] | North America [Member]
Revenues									9,327,000	7,826,000	7,846,000
Simulations Plus, Inc. [Member] | Europe [Member]
Revenues									5,144,000	4,964,000	3,826,000
Simulations Plus, Inc. [Member] | Asia [Member]
Revenues									5,060,000	4,733,000	3,926,000
Simulations Plus, Inc. [Member] | South America [Member]
Revenues									54,000	30,000	1,000
Cognigen
Revenues									9,321,000	7,857,000	7,300,000
Cognigen | North America [Member]
Revenues									9,321,000	7,857,000	7,300,000
Cognigen | Europe [Member]
Revenues									0	0	0
Cognigen | Asia [Member]
Revenues									0	0	0
Cognigen | South America [Member]
Revenues									0	0	0
DILIsym [Member]
Revenues									5,065,000	4,257,000	1,238,000
DILIsym [Member] | North America [Member]
Revenues									3,875,000	3,163,000	851,000
DILIsym [Member] | Europe [Member]
Revenues									685,000	312,000	151,000
DILIsym [Member] | Asia [Member]
Revenues									505,000	782,000	236,000
DILIsym [Member] | South America [Member]
Revenues									$ 0	$ 0	$ 0