Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Sales	$ 11,373,000	$ 12,149,000	$ 20,803,000	$ 22,393,000
Cost of sales	4,290,000	4,656,000	8,055,000	8,951,000
Gross profit	7,083,000	7,493,000	12,748,000	13,442,000
Research and development	824,000	1,424,000	1,628,000	2,821,000
Professional services	1,621,000	2,096,000	3,070,000	3,670,000
Salaries and related costs	3,072,000	4,682,000	6,153,000	9,378,000
Selling, general and administrative	4,140,000	4,838,000	7,522,000	9,735,000
Total other costs and expenses	9,657,000	13,040,000	18,373,000	25,604,000
Loss from operations	(2,574,000)	(5,547,000)	(5,625,000)	(12,162,000)
Interest income	278,000	439,000	582,000	934,000
Interest expense	(1,393,000)	(1,427,000)	(2,769,000)	(2,823,000)
Other expense, net	0	(1,000)	0	(22,000)
Total other expense, net	(1,115,000)	(989,000)	(2,187,000)	(1,911,000)
Loss before income taxes	(3,689,000)	(6,536,000)	(7,812,000)	(14,073,000)
Income tax expense	49,000	50,000	98,000	103,000
Net loss	(3,738,000)	(6,586,000)	(7,910,000)	(14,176,000)
Net income (loss) attributable to non-controlling interest	40,000	(30,000)	18,000	(44,000)
Net loss attributable to stockholders	$ (3,778,000)	$ (6,556,000)	$ (7,928,000)	$ (14,132,000)
Loss per share:
Basic and diluted (in dollars per share)	$ (0.09)	$ (0.19)	$ (0.19)	$ (0.41)