CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenue, net of contractual allowances and adjustments	$ 4,911	$ 3,478
Adjustment for allowance for credit losses	18	(46)
Net sales	4,929	3,432
Total cost of sales	2,789	2,512
Gross profit	2,140	920
OPERATING EXPENSES:
Operating expenses	2,999	2,994
OPERATING LOSS	(859)	(2,074)
OTHER EXPENSE:
Interest expense, net	(25)	(5)
LOSS BEFORE INCOME TAXES	(884)	(2,079)
NET LOSS	$ (884)	$ (2,079)
LOSS PER COMMON SHARE, BASIC	$ (0.59)	$ (1.46)
LOSS PER COMMON SHARE, DILUTED	$ (0.59)	$ (1.46)
WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING, BASIC	1,502,652	1,423,942
WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING, DILUTED	1,502,652	1,423,942
Service revenue, net
Revenue, net of contractual allowances and adjustments	$ 4,257	$ 2,821
Adjustment for allowance for credit losses	18	(46)
Net sales	4,275	2,775
Total cost of sales	2,466	2,101
Product revenue
Revenue, net of contractual allowances and adjustments	654	657
Net sales	654	657
Total cost of sales	$ 323	$ 411