Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
Segment Data - Schedule of Reportable Segment Product Sales, Net and Net Loss (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting [Abstract]    
Product sales, net $ 3,195 $ 3,606
Cost of goods sold 1,633 1,948
Gross profit 1,562 1,658
Operating expenses:    
Research and development expense 18 30
Sales expense 673 731
Marketing expense 401 448
General and administrative expense 788 960
Benefit from reversal of accrued payroll taxes 0 (522)
Total operating expenses 1,880 1,647
Operating income (loss) (318) 11
Gain on extinguishment of debt (20) (38)
Change in fair value of convertible notes 252 0
Interest expense, net 93 151
Loss before income taxes (643) (102)
Income tax expense 0 7
Net Income (Loss) $ (643) $ (109)