Quarterly report [Sections 13 or 15(d)]

Segment Data - Schedule of Reportable Segment Product Sales, Net and Net Loss (Details)

v3.25.3
Segment Data - Schedule of Reportable Segment Product Sales, Net and Net Loss (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Segment Reporting [Abstract]                
Product sales, net $ 3,256     $ 3,865     $ 10,482 $ 11,821
Cost of goods sold 1,677     2,087     5,401 6,330
Gross profit 1,579     1,778     5,081 5,491
Operating expenses:                
Research and development expense 24     29     104 93
Sales expense 691     820     2,140 2,426
Marketing expense 429     530     1,248 1,526
General and administrative expense 710     740     2,506 2,990
Benefit from reversal of accrued payroll taxes 0     0     (522) 0
Total operating expenses 1,854     2,119     5,476 7,035
Operating loss (275)     (341)     (395) (1,544)
Gain on extinguishment of debt 0     0     (38) 0
Other expense, net 107     115     388 118
Loss before income taxes (382)     (456)     (745) (1,662)
Income tax expense 0     0     7 6
Net loss $ (382) $ (261) $ (109) $ (456) $ (584) $ (628) $ (752) $ (1,668)