Loans (Details 1) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Carrying Amounts	$ 37,940,343	$ 36,096,221
Pledged deposits [Member]
Carrying Amounts	8,791,499	4,021,255
Right-of-use assets [Member]
Carrying Amounts	7,500,780	7,194,195
Buildings [Member]
Carrying Amounts	16,721,178	17,683,961
Machinery and equipment [Member]
Carrying Amounts	$ 4,926,886	$ 7,196,810