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Subsequent Events	6 Months Ended
Subsequent Events	Mar. 31, 2018
Subsequent Events [Abstract]
Subsequent Events [Text Block]	14. SUBSEQUENT EVENTS Acquisition of Azimuth Communications, Inc. On April 6, 2018, the Company acquired all of the outstanding capital stock of Azimuth Communications, Inc. (“Azimuth”), a Portland, Oregon-based provider of design and integration services for structured cabling, physical security, access control systems, distributed antenna systems, wireless access, and audio visual systems. Azimuth will operate within our Communications segment.