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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Concentration risks (Details)		3 Months Ended		9 Months Ended
	Sep. 13, 2024	Sep. 30, 2025 USD ($) customer	Sep. 30, 2024 USD ($) customer	Sep. 30, 2025 USD ($) customer	Sep. 30, 2024 USD ($) customer
Concentration risks
Aggregate dollar amount of net sales		$ 10,085,723	$ 10,346,857	$ 28,826,629	$ 23,975,584
Syringes and needles
Concentration risks
Additional percentage of tariffs	100.00%
Tariff percentage				130.00%
Other products
Concentration risks
Aggregate dollar amount of net sales		$ 11,460	$ 11,419	$ 38,274	$ 36,785
Tariff percentage				30.00%
Net Sales | Customer Concentration Risk
Concentration risks
Number of significant customers | customer		3	2	3	3
Net Sales | Customer Concentration Risk | Significant customers
Concentration risks
Aggregate dollar amount of net sales		$ 5,800,000	$ 5,500,000	$ 16,100,000	$ 12,800,000
Concentration risk, percentage		57.30%	53.20%	55.90%	53.40%
Cost of Sales, Manufacturing | Supplier Concentration Risk | China
Concentration risks
Concentration risk, percentage		60.20%	87.30%	61.70%	90.00%

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