Property and equipment, net - Narrative (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Property, Plant and Equipment [Abstract]
Depreciation expense	$ 178,024	$ 163,931	$ 355,152	$ 311,218

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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-Subparagraph (b)
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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
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-Topic 220
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-URI https://asc.fasb.org/1943274/2147476148/220-40-50-6

Name:	us-gaap_Depreciation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration