v3.20.1
Income taxes: (Details) - Net Deferred Income Tax Asset - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Net Deferred Income Tax Asset [Abstract]    
Net operating loss carried forward $ 44,625,741 $ 42,136,043
Tax rate 21.00% 21.00%
Deferred income tax assets $ 9,371,406 $ 8,848,569
Valuation allowance (9,371,406) (8,848,569)
Net deferred income tax asset $ 0 $ 0