SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue recognition (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2026 USD ($) item	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)
Revenue recognition
Estimated contractual allowances	$ 2,800,000		$ 2,400,000
License revenue payable to patent owner, as a percent	50.00%
Sales, net	$ 7,177,397	$ 8,295,173
Licensing fees
Revenue recognition
Sales, net	0	0
Syringes
Revenue recognition
Sales, net	5,802,273	6,960,138
Blood Collection Products
Revenue recognition
Sales, net	374,932	343,833
EasyPoint Needles
Revenue recognition
Sales, net	993,205	983,518
Other Products
Revenue recognition
Sales, net	6,987	7,684
U.S. sales
Revenue recognition
Sales, net	5,948,325	7,432,309
U.S. sales | Syringes
Revenue recognition
Sales, net	5,131,053	6,138,274
U.S. sales | Blood Collection Products
Revenue recognition
Sales, net	340,462	343,833
U.S. sales | EasyPoint Needles
Revenue recognition
Sales, net	470,573	942,518
U.S. sales | Other Products
Revenue recognition
Sales, net	6,237	7,684
North and South America sales (excluding U.S.)
Revenue recognition
Sales, net	855,850	553,500
North and South America sales (excluding U.S.) | Syringes
Revenue recognition
Sales, net	419,362	553,500
North and South America sales (excluding U.S.) | EasyPoint Needles
Revenue recognition
Sales, net	435,888
North and South America sales (excluding U.S.) | Other Products
Revenue recognition
Sales, net	600
Other international sales
Revenue recognition
Sales, net	373,222	309,364
Other international sales | Syringes
Revenue recognition
Sales, net	251,858	268,364
Other international sales | Blood Collection Products
Revenue recognition
Sales, net	34,470
Other international sales | EasyPoint Needles
Revenue recognition
Sales, net	86,744	$ 41,000
Other international sales | Other Products
Revenue recognition
Sales, net	$ 150
U.S.
Revenue recognition
Period for return of incorrect domestic shipments	10 days
Number of times overstocking returns are limited | item	2
Period for return of product due to overstock	12 months
Maximum percentage of distributor's total purchase for the prior 12-month period	1.00%