Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Net sales	$ 2,403,099	$ 2,328,254	$ 6,835,123	$ 6,594,768
Cost of sales	1,434,981	1,434,547	4,212,971	4,312,405
Gross margin	968,118	893,707	2,622,152	2,282,363
Operating expenses:
Selling, general and administrative	414,458	588,937	1,520,386	1,625,123
Engineering, research, and development	306,546	370,795	913,701	1,502,534
Total operating expenses	721,004	959,732	2,434,087	3,127,657
Income (loss) from operations	247,114	(66,025)	188,065	(845,294)
Other income (expense):
Interest income	35	5,665	50,642	8,782
Income other		628,400	1,000	628,406
Interest expense – judgement	0	(71,017)	(198,535)	(193,953)
Interest expense	(22,976)	0	(49,561)	0
Total other net (expense) income	(22,941)	563,048	(196,454)	443,235
Income (loss) before income taxes	224,173	497,023	(8,389)	(402,059)
Income tax expense (benefit)	90,364	104,396	(2,337)	(84,449)
Net income (loss) income	133,809	392,627	(6,052)	(317,610)
Preferred dividends	(94,420)	(80,000)	(257,128)	(240,000)
Net income (loss) attributable to common shareholders	$ 39,389	$ 312,627	$ (263,180)	$ (557,610)
Basic net income (loss) per common share (in Dollars per share)	$ 0.01	$ 0.1	$ (0.08)	$ (0.17)
Diluted net income (loss) per common share (in Dollars per share)	$ 0.02	$ 0.08	$ (0.08)	$ (0.17)
Weighted average shares outstanding:
Basic (in Shares)	3,255,887	3,255,887	3,255,887	3,255,887
Diluted (in Shares)	5,610,634	5,155,665	3,255,887	3,255,887