Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Revenues	$ 8,676	$ 7,490	$ 21,241	$ 19,430
Costs and expenses:
Cost of sales	4,771	3,829	12,017	10,281
Selling, general and administrative	3,657	3,207	10,967	9,895
Research and development	771	450	1,941	1,510
Costs and Expenses	9,199	7,486	24,925	21,686
Operating (loss) income	(523)	4	(3,684)	(2,256)
Interest income	247	311	753	1,127
Other income (expense), net	9	(5)	88	15
(Loss) income before income taxes	(267)	310	(2,843)	(1,114)
Income tax expense	0	(7)	(9)	(11)
Net (loss) income	$ (267)	$ 303	$ (2,852)	$ (1,125)
Net (loss) income per common share:
Basic net (loss) income per common share (in dollars per share)	$ (0.01)	$ 0.01	$ (0.09)	$ (0.04)
Diluted net (loss) income per common share (in dollars per share)	$ (0.01)	$ 0.01	$ (0.09)	$ (0.04)
Weighted-average number of common shares outstanding:
Basic (in shares)	31,217,000	31,074,000	31,164,000	30,890,000
Diluted (in shares)	31,217,000	31,293,000	31,164,000	30,890,000