CONCENTRATIONS (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2024 item customer	Mar. 31, 2023 item	Dec. 31, 2023 customer
Supplier concentration risk | Supplies for electrotherapy products
CONCENTRATIONS
Concentration Risk Percentage (in %)	29.00%	39.00%
Number of significant vendors | item	2	3
Accounts receivable
CONCENTRATIONS
Concentration Risk Percentage (in %)	10.00%		10.00%
Number of third-party payers | customer	0		0