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Loans (Details 1) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Carrying Amounts $ 37,160,692 $ 36,096,221
Pledged deposits (note 2) [Member]    
Carrying Amounts 6,488,306 4,021,255
Right-of-use assets (note 9) [Member]    
Carrying Amounts 7,253,386 7,194,195
Buildings [Member]    
Carrying Amounts 16,855,060 17,683,961
Machinery and equipment [Member]    
Carrying Amounts $ 6,563,940 $ 7,196,810