v3.22.1
Income taxes (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]    
Net operating loss carried forward $ 35,414,853 $ 37,125,837
Tax rate 21.00% 21.00%
Deferred income tax assets $ 7,437,119 $ 7,796,426
Valuation allowance (7,437,119) (7,796,426)
Net deferred income tax asset