Condensed Statements of Income (Loss) (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
REVENUES:
Product sales	$ 2,191,260	$ 2,370,433	$ 4,454,307	$ 4,504,867
Royalties	19,800	8,824	25,471	19,760
Rental income	8,316	8,073	16,632	16,146
Total	2,219,376	2,387,330	4,496,410	4,540,773
COST OF SALES	1,294,777	1,393,734	2,663,245	2,711,870
GROSS PROFIT	924,599	993,596	1,833,165	1,828,903
OPERATING EXPENSES:
Research, development, and sustaining engineering	623,262	662,276	1,092,942	1,217,875
Sales and marketing	339,528	365,374	674,084	710,383
General and administrative	340,074	363,008	724,952	677,934
Total	1,302,864	1,390,658	2,491,978	2,606,192
OPERATING (LOSS)	(378,265)	(397,062)	(658,813)	(777,289)
OTHER INCOME (EXPENSE):
Interest income	10,931	8,677	23,288	26,349
Interest expense	(26,305)	(10,057)	(50,800)	(20,207)
Total	(15,374)	(1,380)	(27,512)	6,142
NET (LOSS) BEFORE PROVISION FOR TAXES	(393,639)	(398,442)	(686,325)	(771,147)
BENEFIT FROM FEDERAL AND STATE INCOME TAXES	0	100,454	0	189,353
NET (LOSS)	$ (393,639)	$ (297,988)	$ (686,325)	$ (581,794)
NET (LOSS) PER SHARE, BASIC	$ (0.14)	$ (0.12)	$ (0.25)	$ (0.24)
NET (LOSS) PER SHARE, DILUTED	$ (0.14)	$ (0.12)	$ (0.25)	$ (0.24)
WEIGHTED AVERAGE SHARES, BASIC	2,752,616	2,454,116	2,723,768	2,454,116
WEIGHTED AVERAGE SHARES, DILUTED	2,752,616	2,454,116	2,723,768	2,454,116