v3.26.1
Schedule of Net Income (Loss) for Segment (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Net revenue:        
Total net revenues $ 6,017,000 $ 4,419,000 $ 11,229,000 $ 9,296,000
Cost of goods sold (1) [1] 1,991,000 1,624,000 4,210,000 3,347,000
Gross margin 4,026,000 2,795,000 7,019,000 5,949,000
Operating expenses:        
Research and development 366,000 311,000 712,000 606,000
Selling, general and administrative 2,418,000 2,201,000 4,939,000 4,455,000
Other operating expenses (2) [2] 29,000 35,000 58,000 74,000
Total operating expenses 2,813,000 2,547,000 5,709,000 5,135,000
Operating income 1,213,000 248,000 1,310,000 814,000
Other expense (3,000) (2,000) 40,000 (10,000)
Income before income taxes 1,210,000 246,000 1,350,000 804,000
Income tax expense (13,000) (9,000) (13,000) (9,000)
Net income 1,197,000 237,000 1,337,000 795,000
Product [Member]        
Net revenue:        
Total net revenues 5,701,000 4,311,000 10,741,000 9,017,000
Service Royalty and Other Revenues [Member]        
Net revenue:        
Total net revenues $ 316,000 $ 108,000 $ 488,000 $ 279,000
[1] Cost of goods sold for the three and six months ended June 30, 2026 includes a tariff refund benefit of approximately $624,000.
[2] Other operating expenses is comprised of depreciation and amortization.