Segment information - Schedule of Segment Financial Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Revenue	$ 131,818,073	$ 117,241,604
Cost of revenue	96,390,733	85,164,322
Selling and distribution expenses	25,627,634	19,971,912
General and administrative expenses	10,199,914	8,424,083
Research and development expenses	1,699,383	1,376,844
(Benefit of) provision for income taxes	(547,821)	808,224
Net (loss) income	(1,734,277)	579,564
Adjustments and reconciling items
Segment Reporting Information [Line Items]
Adjustments and reconciling items	0	0
Kitchen and Bath Segment
Segment Reporting Information [Line Items]
Revenue	131,818,073	117,241,604
Cost of revenue	96,390,733	85,164,322
Selling and distribution expenses	25,627,634	19,971,912
General and administrative expenses	10,199,914	8,424,083
Research and development expenses	1,699,383	1,376,844
Other segment items	182,507	916,655
(Benefit of) provision for income taxes	(547,821)	808,224
Net (loss) income	$ (1,734,277)	$ 579,564