CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue, net of contractual allowances and adjustments	$ 4,507	$ 3,645	$ 7,985	$ 6,474
Adjustment for allowance for credit losses	(66)	(112)	(112)	(124)
Net sales	4,441	3,533	7,873	6,350
Total cost of sales	2,725	2,162	5,237	4,230
Gross profit	1,716	1,371	2,636	2,120
OPERATING EXPENSES:
Operating expenses	2,925	3,663	5,919	7,438
OPERATING LOSS	(1,209)	(2,292)	(3,283)	(5,318)
OTHER (EXPENSE) INCOME:
Interest expense, net	(11)	(1)	(16)	(5)
LOSS BEFORE INCOME TAXES	(1,220)	(2,293)	(3,299)	(5,323)
NET LOSS	$ (1,220)	$ (2,293)	$ (3,299)	$ (5,323)
LOSS PER COMMON SHARE, BASIC	$ (0.83)	$ (1.88)	$ (2.28)	$ (4.50)
LOSS PER COMMON SHARE, DILUTED	$ (0.83)	$ (1.88)	$ (2.28)	$ (4.50)
WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING, BASIC	1,463,543	1,218,139	1,444,742	1,189,525
WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING, DILUTED	1,463,543	1,218,139	1,444,742	1,189,525
Service revenue, net
Revenue, net of contractual allowances and adjustments	$ 3,909	$ 2,768	$ 6,730	$ 4,836
Adjustment for allowance for credit losses	(66)	(112)	(112)	(124)
Net sales	3,843	2,656	6,618	4,712
Total cost of sales	2,425	1,880	4,526	3,649
Product revenue
Revenue, net of contractual allowances and adjustments	598	877	1,255	1,638
Net sales	598	877	1,255	1,638
Total cost of sales	$ 300	$ 282	$ 711	$ 581