Contingencies and commitments (Details)			9 Months Ended		12 Months Ended
	Jul. 27, 2020 USD ($)	Dec. 06, 2018 $ / shares shares	Sep. 30, 2024 USD ($) shares	Sep. 30, 2024 CAD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CAD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CAD ($)	Sep. 30, 2024 CAD ($) shares	Dec. 31, 2023 shares
Loss Contingencies
Approximate lawsuit, amount			$ 1,379,966	$ 1,862,805
Amount payable			$ 10,885
Common stock, shares issued | shares			617,025,999						617,025,999	617,025,999
Warrants issued to purchase shares of common stock | shares			10,400,008						10,400,008	10,400,008
Canary case, one
Loss Contingencies
Approximate lawsuit, amount							$ 1,555,680	$ 2,100,000
CannaKorp Inc
Loss Contingencies
Approximate lawsuit, amount			$ 150,000
Amount payable			188,865
Cgreen Inc
Loss Contingencies
Settlement amount	$ 100,000
Monthly installment of settlement amount	10,000
Canary
Loss Contingencies
Approximate lawsuit, amount					$ 96,880	$ 130,778
Amount payable			$ 102,342						$ 138,150
Serious Seeds
Loss Contingencies
Common stock, shares issued | shares		5,208
Serious Seeds | Common Stock Purchase Warrants
Loss Contingencies
Common stock, shares issued | shares			0						0
Warrants issued to purchase shares of common stock | shares		16,667
Warrants exercise period		2 years
Serious Seeds | Minimum | Common Stock Purchase Warrants
Loss Contingencies
Exercise prices | $ / shares		$ 0.20
Serious Seeds | Maximum | Common Stock Purchase Warrants
Loss Contingencies
Exercise prices | $ / shares		$ 0.35
Within 30 days of the Effective Date | Cgreen Inc
Loss Contingencies
Settlement amount	$ 130,000
Settlement period	30 days
1st year
Loss Contingencies
Percentage of royalties on gross sales			2.00%	2.00%
2nd year
Loss Contingencies
Percentage of royalties on gross sales			2.25%	2.25%
3rd year
Loss Contingencies
Percentage of royalties on gross sales			2.50%	2.50%
4th year
Loss Contingencies
Percentage of royalties on gross sales			2.75%	2.75%
5th and following years
Loss Contingencies
Percentage of royalties on gross sales			3.00%	3.00%