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Property and Equipment - Summary of Property and Equipment (Details) - USD ($)
Mar. 31, 2021
Sep. 30, 2020
Property and equipment, gross $ 20,372,361 $ 19,310,492
Less: Accumulated depreciation (13,037,160) (12,348,741)
Property and equipment, net 7,335,201 6,961,751
Land [Member]    
Property and equipment, gross 790,373 790,373
Building and Leasehold Improvements [Member]    
Property and equipment, gross 3,950,430 3,875,796
Furniture and Office Equipment [Member]    
Property and equipment, gross 677,643 621,790
Computers and Software [Member]    
Property and equipment, gross 269,851 264,940
Trade Show Display [Member]    
Property and equipment, gross 89,330 89,330
Machinery and Equipment [Member]    
Property and equipment, gross $ 14,594,734 $ 13,668,263