XML 119 R76.htm IDEA: XBRL DOCUMENT v3.21.4
Leases - Maturities of operating lease liabilities (Details) - USD ($)
Sep. 30, 2021
Sep. 30, 2020
Oct. 01, 2019
Maturities of operating lease liabilities      
2022 $ 236,272    
2023 156,079    
2024 91,611    
2025 91,611    
2026 91,611    
Thereafter 439,622    
Total future minimum lease payments 1,106,806    
Less: Imputed interest (345,481)    
Total $ 761,325 $ 248,888 $ 300,000