Annual report pursuant to Section 13 and 15(d)

Income Taxes - Income tax expense (Details)

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Income Taxes - Income tax expense (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
U.S. Statutory rate $ 3,224,547 $ 1,896,305
Items not allowed for tax purposes 1,705,372 2,113,651
Foreign tax rate differential (2,367) (90,772)
Additional foreign taxation 27,495 (36,939)
Withholding tax on dividends (162,112)
Prior year over provision 125,887
Movement in valuation allowances (1,379,714) (323,114)
Other differences (76,361)
Income tax benefit (expense) $ 290,476 $ (906,644)