Statements of Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net sales	$ 3,060,113	$ 3,057,518	$ 9,705,262	$ 8,278,141
Costs and expenses:
Cost of sales	1,408,866	1,749,041	4,526,446	4,272,043
Operating expenses	591,047	488,464	1,762,689	1,580,503
Research and development	111,072	98,141	325,714	353,829
Total costs and expenses	2,110,985	2,335,646	6,614,849	6,206,375
Income from operations	949,128	721,872	3,090,413	2,071,766
Other income (expense):
Investment income	99,934	79,682	298,014	182,264
Net gain on marketable securities	47,223	(14,357)	79,218	65,823
Total other income	147,157	65,325	377,232	248,087
Income before provision for income taxes	1,096,285	787,197	3,467,645	2,319,853
Provision for income taxes	230,801	160,441	720,494	475,922
Net income	$ 865,484	$ 626,756	$ 2,747,151	$ 1,843,931
Earnings per common share
(Basic and Diluted) (in dollars per share)	$ 0.19	$ 0.14	$ 0.6	$ 0.4
Weighted average shares – basic and diluted (in shares)	4,594,319	4,594,319	4,594,319	4,594,319