Share-based compensation - Restricted Share Units - General Information (Details)	1 Months Ended						12 Months Ended
	Apr. 30, 2024 USD ($) installment $ / shares shares	Mar. 31, 2024 USD ($) installment $ / shares shares	Mar. 31, 2023 USD ($) installment $ / shares shares	May 31, 2022 USD ($) installment shares	Apr. 30, 2022 USD ($) installment shares	Jan. 31, 2022 USD ($) shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Apr. 01, 2024 $ / shares	Mar. 22, 2024 $ / shares	Apr. 30, 2023 $ / shares	Mar. 29, 2023 $ / shares	May 17, 2022 $ / shares	May 11, 2022 $ / shares	Apr. 13, 2022 $ / shares	Jan. 27, 2022 $ / shares
Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)							426,687	113,984
RSUs vested (in shares)							74,287	66,111
Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of options awarded | $							$ 573,163	$ 313,423
Share price (in dollars per share) | $ / shares	$ 1.32	$ 1.50	$ 2.08								$ 1.74
Awards Issued January 2022 | Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)						183,750
Fair value of options awarded | $						$ 716,625
Share price (in dollars per share) | $ / shares																$ 3.90
Vesting period						3 years
RSUs vested (in shares)							122,500
Awards Issued April 2022 | Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)					8,750
Fair value of options awarded | $					$ 22,050
Share price (in dollars per share) | $ / shares															$ 2.52
RSUs vested (in shares)							7,778
Awards Issued April 2022 | Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period					1 year
Awards Issued April 2022 | Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting rights, successive equal monthly installments | installment					24
Awards Issued April 2022 | Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of options awarded | $					$ 114,972
Awards Issued April 2022 | Employee Stock Option | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period					1 year
Vesting rights (as a percent)					33.33%
Awards Issued April 2022 | Employee Stock Option | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting rights, successive equal monthly installments | installment					24
Awards Issued May 2022 | Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)				87,611
Fair value of options awarded | $				$ 198,000
Share price (in dollars per share) | $ / shares														$ 2.26
RSUs vested (in shares)							0
Potential award (in shares)				43,805
Potential award, fair value | $				$ 99,000
Awards Issued May 2022 | Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of options awarded | $				$ 171,462
Awards Issued May 2022 | Employee Stock Option | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period				1 year
Vesting rights (as a percent)				33.33%
Awards Issued May 2022 | Employee Stock Option | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting rights, successive equal monthly installments | installment				24
Awards Issued May 2022 - Grant 2 | Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)				16,363
Fair value of options awarded | $				$ 36,000
Share price (in dollars per share) | $ / shares													$ 2.20
RSUs vested (in shares)							0
Awards Issued March 2023 | Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)			96,635
Fair value of options awarded | $			$ 201,000
Share price (in dollars per share) | $ / shares												$ 2.08
RSUs vested (in shares)							0
Potential award (in shares)			48,317
Potential award, fair value | $			$ 100,500
Awards Issued March 2023 | Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of options awarded | $			$ 201,000
Awards Issued March 2023 | Employee Stock Option | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period			1 year
Vesting rights (as a percent)			33.33%
Awards Issued March 2023 | Employee Stock Option | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting rights, successive equal monthly installments | installment			24
Awards Issued March 2023 - Grant 2 | Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)			17,349
Fair value of options awarded | $			$ 36,000
Share price (in dollars per share) | $ / shares												$ 2.08
RSUs vested (in shares)							10,120
Awards Issued March 2024 | Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)		413,354
Fair value of options awarded | $		$ 620,031
Share price (in dollars per share) | $ / shares										$ 1.50
RSUs vested (in shares)							0
Potential award (in shares)		206,677
Potential award, fair value | $		$ 310,016
Awards Issued March 2024 | Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of options awarded | $		$ 447,000
Awards Issued March 2024 | Employee Stock Option | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period		1 year
Vesting rights (as a percent)		33.33%
Awards Issued March 2024 | Employee Stock Option | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting rights, successive equal monthly installments | installment		24
Awards Issued April 2024 | Restricted Stock Units (RSUs)
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Granted (in shares)	13,333
Fair value of options awarded | $	$ 20,000
Share price (in dollars per share) | $ / shares									$ 1.50
RSUs vested (in shares)							0
Potential award (in shares)	6,667
Potential award, fair value | $	$ 10,000
Awards Issued April 2024 | Employee Stock Option
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Fair value of options awarded | $	$ 126,163
Awards Issued April 2024 | Employee Stock Option | Share-Based Payment Arrangement, Tranche One
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting period	1 year
Vesting rights (as a percent)	33.33%
Awards Issued April 2024 | Employee Stock Option | Share-Based Payment Arrangement, Tranche Two
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Vesting rights, successive equal monthly installments | installment	24