CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue, net of contractual allowances and adjustments	$ 5,280	$ 4,569	$ 13,265	$ 11,043
Adjustment for allowance for credit losses	(71)	(51)	(183)	(175)
Net sales	5,209	4,518	13,082	10,868
Total cost of sales	2,932	2,633	8,169	6,863
Gross profit	2,277	1,885	4,913	4,005
OPERATING EXPENSES:
Operating expenses	2,874	3,333	8,793	10,771
OPERATING LOSS	(597)	(1,448)	(3,880)	(6,766)
OTHER (EXPENSE) INCOME:
Interest expense, net	(29)	(7)	(45)	(12)
LOSS BEFORE INCOME TAXES	(626)	(1,455)	(3,925)	(6,778)
NET LOSS	$ (626)	$ (1,455)	$ (3,925)	$ (6,778)
LOSS PER COMMON SHARE, BASIC	$ (0.42)	$ (1.04)	$ (2.69)	$ (5.39)
LOSS PER COMMON SHARE, DILUTED	$ (0.42)	$ (1.04)	$ (2.69)	$ (5.39)
WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING, BASIC	1,480,217	1,394,596	1,456,653	1,258,633
WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING, DILUTED	1,480,217	1,394,596	1,456,653	1,258,633
Service revenue, net
Revenue, net of contractual allowances and adjustments	$ 4,599	$ 3,738	$ 11,329	$ 8,574
Adjustment for allowance for credit losses	(71)	(51)	(183)	(175)
Net sales	4,528	3,687	11,146	8,399
Total cost of sales	2,579	2,401	7,105	6,050
Product revenue
Revenue, net of contractual allowances and adjustments	681	831	1,936	2,469
Net sales	681	831	1,936	2,469
Total cost of sales	$ 353	$ 232	$ 1,064	$ 813