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MAJOR CUSTOMER (Tables)
 12 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Major Customers
   September 30, 2018  September 30, 2017
Bethel-Webcor JV-1   70.42%   10.8%
Daoust   11.82%   —  
Jacobs/ HDR a joint venture   —      13.0%
Macerich   —      24.4%
Firenze   —      20.0%
Major Suppliers
   September 30, 2018  September 30, 2017
CED Greentech   13.57%   45.7%
Rexel USA, Inc.   27.47%   —  
ESS, Inc.   19.29%   —  
Ideal Power, Inc.   14.72%   —  
Simpliphi Power   1.8%   12.3%