Stock-based compensation (Narrative) (Details)						12 Months Ended
	Dec. 16, 2025 $ / shares shares	Aug. 29, 2025 $ / shares shares	Jul. 22, 2025 $ / shares shares	Jun. 22, 2025 USD ($)	Jun. 13, 2025 $ / shares shares	Dec. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Limit of options as a percentage of shares outstanding								10.00%
Number of options, Granted						1,510,000		485,000
Exercise price | $ / shares						$ 2.46		$ 2.66
Contractual term						2 years 9 months		4 years 2 months 4 days	4 years 9 months 25 days
Weighted average grant-date fair value of options granted | (per share)						$ 1.8	$ 2.82
Weighted average grant-date fair value of options forfeited | (per share)						$ 2.44	$ 2.36
Unrecognized stock-based compensation | $						$ 1,701,722	$ 565,986	$ 565,986
Period for recognition						2 years 9 months		2 years 3 months
Stock-based compensation | $						$ 1,512,194		$ 713,119
Stock options [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of options, Granted	685,000	25,000	700,000		100,000
Exercise price | $ / shares	$ 1.8	$ 1.94	$ 3.08		$ 2.6
Contractual term	5 years	5 years	5 years		5 years
Award vesting period	1 year	1 year	1 year
Options vesting per tranche					20,000
Stock-based compensation | $				$ 663,998
Stock options [Member] | December 17, 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of share options with accelerated vesting			100,000
Stock options [Member] | December 17, 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of share options with accelerated vesting			210,000
Stock options [Member] | June 30, 2025 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of share options with accelerated vesting			100,000