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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Revenue, net of contractual allowances and adjustments $ 6,885 $ 5,280 $ 17,425 $ 13,265
Adjustment for allowance for credit losses (118) (71) (75) (183)
Net sales 6,767 5,209 17,350 13,082
Total cost of sales 3,762 2,932 9,776 8,169
Gross profit 3,005 2,277 7,574 4,913
OPERATING EXPENSES:        
Operating expenses 3,066 2,874 9,318 8,793
OPERATING LOSS (61) (597) (1,744) (3,880)
OTHER INCOME (EXPENSE):        
Interest expense, net (9) (29) (57) (45)
Gain on settlement of liability     143  
Employee Retention Credit     789  
Other expense (9)   (20)  
Total other (expense) income (18) (29) 855 (45)
LOSS BEFORE INCOME TAXES (79) (626) (889) (3,925)
NET LOSS $ (79) $ (626) $ (889) $ (3,925)
Net income (loss) per common share:        
BASIC LOSS PER COMMON SHARE $ (0.05) $ (0.42) $ (0.57) $ (2.69)
BASIC WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING 1,637,486 1,480,217 1,552,024 1,456,653
DILUTED LOSS PER COMMON SHARE $ (0.05) $ (0.42) $ (0.57) $ (2.69)
DILUTED WEIGHTED-AVERAGE SHARES OF COMMON STOCK OUTSTANDING 1,637,486 1,480,217 1,552,024 1,456,653
Service revenue, net        
Revenue, net of contractual allowances and adjustments $ 6,164 $ 4,599 $ 15,426 $ 11,329
Adjustment for allowance for credit losses (118) (71) (75) (183)
Net sales 6,046 4,528 15,351 11,146
Total cost of sales 3,260 2,579 8,599 7,105
Product revenue        
Revenue, net of contractual allowances and adjustments 721 681 1,999 1,936
Net sales 721 681 1,999 1,936
Total cost of sales $ 502 $ 353 $ 1,177 $ 1,064