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Related Party Transactions (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Nov. 01, 2018
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Sep. 30, 2018
Commercial bank indebtedness   $ 90,800,000   $ 90,800,000   $ 88,900,000
Due from related party $ 2,350,000          
Borrowings from related party $ 500,000          
TW Mechanical LLC [Member] | Eric Langan [Member]            
Ownership percentage   20.00%   20.00%    
Sherwood Forest Creations, LLC [Member]            
Amount billed to related party   $ 98,072 $ 17,233 $ 107,815 $ 114,561  
Due to related party   49,258   49,258   73,377
TW Mechanical LLC [Member]            
Amount billed to related party   206 0 206 0  
Due to related party   0   0   $ 0
TW Mechanical LLC [Member] | Third-party General Contractor [Member] | Competitive Bidding Process [Member]            
Amount billed to related party   $ 359,500 $ 0 $ 435,800 $ 0