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Income taxes (Details) - Schedule of tax effects of temporary differences - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Schedule of tax effects of temporary differences [Abstract]    
Taxes calculated at federal rate $ (1,212,045) $ (1,139,345)
Taxes calculated at federal rate, percentage 21.00% 21.00%
State income tax, net of federal benefit $ (202,970) $ (195,688)
State income tax, net of federal benefit, percentage 3.50% 3.60%
Change in Valuation Allowance $ (1,558,025) $ 1,163,011
Change in Valuation Allowance, percentage 27.00% (21.40%)
Expiration of tax attributes $ 2,973,040 $ 139,331
Expiration of tax attributes, percentage (51.50%) (2.60%)
Prior period adjustment $ 48,152
Prior period adjustment, percentage 0.00% (0.90%)
Permanent Items $ (15,460)
Permanent Items, percentage 0.00% 0.30%
Provision (benefit) for taxes
Provision (benefit) for taxes, percentage 0.00% 0.00%