Schedule of warrant activity (Details)	3 Months Ended	6 Months Ended		9 Months Ended	12 Months Ended
	Sep. 30, 2021 $ / shares shares	Jun. 30, 2021 $ / shares shares	Jun. 30, 2021 $ / shares shares	Sep. 30, 2021 $ / shares shares	Dec. 31, 2020 $ / shares shares
Subsidiary, Sale of Stock [Line Items]
Outstanding, number of options, beginning balance (in shares) | shares	70,000	5,875,750	5,875,750	5,875,750	3,200,750
Outstanding, weighted average exercise price, beginning balance (in dollars per share) | $ / shares		$ 0.39		$ 0.39	$ 0.45
Granted, weighted average exercise price (in USD per share) | (per share)		$ 0.45	$ 0.54	$ 0.62	$ 0.33
Outstanding, number of options, ending balance | shares	8,150,750	70,000	70,000	8,150,750	5,875,750
Outstanding, weighted average exercise price, ending balance | $ / shares	$ 0.47			$ 0.47	$ 0.39
Warrant [Member]
Subsidiary, Sale of Stock [Line Items]
Outstanding, number of options, beginning balance (in shares) | shares
Outstanding, weighted average exercise price, beginning balance (in dollars per share) | $ / shares
Granted (in shares) | shares				230,000
Granted, weighted average exercise price (in USD per share) | $ / shares				$ 0.77
Granted, expiry date				Apr. 03, 2023
Outstanding, number of options, ending balance | shares	230,000			230,000
Outstanding, weighted average exercise price, ending balance | $ / shares	$ 0.77			$ 0.77