SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue recognition (Details)		3 Months Ended		12 Months Ended
	Feb. 05, 2024 USD ($) item	Mar. 31, 2024 USD ($) item	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Revenue recognition
Estimated contractual allowances		$ 1,600,000		$ 2,200,000
License revenue payable to patent owner, as a percent		50.00%
Sales, net		$ 7,599,363	$ 11,001,102
Licensing fees
Revenue recognition
Sales, net		99,000	0
Syringes
Revenue recognition
Sales, net		6,380,324	9,869,908
Blood Collection Products
Revenue recognition
Sales, net		511,165	610,576
EasyPoint Needles
Revenue recognition
Number of units subject to recall | item	477,600
Estimated expense related to recall	$ 116,000
Sales, net		699,895	299,079
Other Products
Revenue recognition
Sales, net		7,979	221,539
U.S.
Revenue recognition
Sales, net		6,641,168	5,423,448
U.S. | Syringes
Revenue recognition
Sales, net		5,653,309	4,803,086
U.S. | Blood Collection Products
Revenue recognition
Sales, net		367,609	398,376
U.S. | EasyPoint Needles
Revenue recognition
Sales, net		612,871	212,487
U.S. | Other Products
Revenue recognition
Sales, net		7,379	9,499
North and South America (excluding U.S.)
Revenue recognition
Sales, net		154,633	4,773,320
North and South America (excluding U.S.) | Syringes
Revenue recognition
Sales, net		154,537	4,561,280
North and South America (excluding U.S.) | Blood Collection Products
Revenue recognition
Sales, net		96
North and South America (excluding U.S.) | Other Products
Revenue recognition
Sales, net			212,040
Other international
Revenue recognition
Sales, net		803,562	804,334
Other international | Syringes
Revenue recognition
Sales, net		572,478	505,542
Other international | Blood Collection Products
Revenue recognition
Sales, net		143,460	212,200
Other international | EasyPoint Needles
Revenue recognition
Sales, net		87,024	$ 86,592
Other international | Other Products
Revenue recognition
Sales, net		$ 600
Geographic Distribution, Domestic
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%