10. SEGMENT AND GEOGRAPHIC REPORTING (Details - geographic) - USD ($)	3 Months Ended								12 Months Ended
	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2016	Aug. 31, 2016	May 31, 2016	Feb. 29, 2016	Nov. 30, 2015	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Revenues	$ 6,266,000	$ 6,749,000	$ 5,705,000	$ 5,418,000	$ 3,958,000	$ 6,012,000	$ 5,164,000	$ 4,839,000	$ 24,137,913	$ 19,972,079	$ 18,314,248
Simulations Plus, Inc. [Member]
Revenues									15,600,000	14,418,000	13,086,000
Simulations Plus, Inc. [Member] | North America [Member]
Revenues									7,846,000	6,830,000	6,261,000
Simulations Plus, Inc. [Member] | Europe [Member]
Revenues									3,826,000	4,022,000	3,629,000
Simulations Plus, Inc. [Member] | Asia [Member]
Revenues									3,926,000	3,564,000	3,153,000
Simulations Plus, Inc. [Member] | South America [Member]
Revenues									1,000	2,000	43,000
Cognigen
Revenues									7,300,000	5,554,000	5,228,000
Cognigen | North America [Member]
Revenues									7,300,000	5,554,000	5,228,000
Cognigen | Europe [Member]
Revenues									0	0	0
Cognigen | Asia [Member]
Revenues									0	0	0
Cognigen | South America [Member]
Revenues									0	$ 0	$ 0
DILIsym
Revenues									1,238,000
DILIsym | North America [Member]
Revenues									851,000
DILIsym | Europe [Member]
Revenues									151,000
DILIsym | Asia [Member]
Revenues									$ 236,000