SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue recognition (Details)			3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 01, 2024 USD ($)	Feb. 05, 2024 item	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) item	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Revenue recognition
Estimated contractual allowances					$ 1,300,000		$ 2,200,000
License revenue payable to patent owner, as a percent					50.00%
Sales, net			$ 6,029,364	$ 7,971,280	$ 13,628,727	$ 18,972,382
Licensing fees
Revenue recognition
Sales, net			90,000	0	189,000	0
Syringes
Revenue recognition
Sales, net			5,488,906	6,356,624	11,769,231	16,226,532
Blood Collection Products
Revenue recognition
Sales, net			333,789	348,045	844,954	958,621
EasyPoint Needles
Revenue recognition
Number of units subject to recall | item		477,600
Sales, net			189,281	1,253,246	989,176	1,552,325
EasyPoint Needles | Forecast
Revenue recognition
Estimated expense related to recall	$ 116,000
Other Products
Revenue recognition
Sales, net			17,388	13,365	25,366	234,904
U.S.
Revenue recognition
Sales, net			5,013,571	7,300,676	11,654,738	12,724,124
U.S. | Syringes
Revenue recognition
Sales, net			4,631,773	5,780,080	10,185,082	10,583,166
U.S. | Blood Collection Products
Revenue recognition
Sales, net			333,389	346,297	700,998	744,673
U.S. | EasyPoint Needles
Revenue recognition
Sales, net			42,561	1,165,634	755,432	1,378,121
U.S. | Other Products
Revenue recognition
Sales, net			5,848	8,665	13,226	18,164
North and South America (excluding U.S.)
Revenue recognition
Sales, net			666,280	210,232	820,913	4,983,552
North and South America (excluding U.S.) | Syringes
Revenue recognition
Sales, net			601,000	210,232	755,537	4,771,512
North and South America (excluding U.S.) | Blood Collection Products
Revenue recognition
Sales, net					96
North and South America (excluding U.S.) | EasyPoint Needles
Revenue recognition
Sales, net			59,040		59,040
North and South America (excluding U.S.) | Other Products
Revenue recognition
Sales, net			6,240		6,240	212,040
Other international
Revenue recognition
Sales, net			349,513	460,372	1,153,076	1,264,706
Other international | Syringes
Revenue recognition
Sales, net			256,133	366,312	828,612	871,854
Other international | Blood Collection Products
Revenue recognition
Sales, net			400	1,748	143,860	213,948
Other international | EasyPoint Needles
Revenue recognition
Sales, net			87,680	87,612	174,704	174,204
Other international | Other Products
Revenue recognition
Sales, net			$ 5,300	$ 4,700	$ 5,900	$ 4,700
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%