Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 2,328,254	$ 3,171,532	$ 6,594,768	$ 10,914,787
Cost of sales	1,434,547	1,763,739	4,312,405	5,824,341
Gross margin	893,707	1,407,793	2,282,363	5,090,446
Selling, general and administrative	578,077	523,966	1,613,021	1,674,618
Litigation expenses	10,860	17,145	12,102	21,545
Engineering, research, and development	370,795	574,118	1,502,534	1,950,545
Total operating expenses	959,732	1,115,229	3,127,657	3,646,708
(Loss) income from operations	(66,025)	292,564	(845,294)	1,443,738
Interest income	5,664	996	8,787	2,977
Other income	628,400	0	628,400	35,854
Gain on forgiveness of PPP loan	0	0	0	722,577
Interest expense – judgement	(71,016)	(52,490)	(193,952)	(156,901)
Total other net income (expense)	563,048	(51,494)	443,235	604,507
Income (loss) before income taxes	497,023	241,070	(402,059)	2,048,245
Income tax expense (benefit)	104,396	46,448	(84,449)	278,446
Net income (loss)	392,627	194,622	(317,610)	1,769,799
Preferred dividends	(80,000)	(80,000)	(240,000)	(240,000)
Net income (loss) attributable to common shareholders	$ 312,627	$ 114,622	$ (557,610)	$ 1,529,799
Basic net income (loss) per common share (in Dollars per share)	$ 0.1	$ 0.04	$ (0.17)	$ 0.47
Diluted net income (loss) per common share (in Dollars per share)	$ 0.08	$ 0.04	$ (0.17)	$ 0.35
Weighted average shares outstanding:
Basic (in Shares)	3,255,887	3,255,887	3,255,887	3,255,887
Diluted (in Shares)	5,155,665	5,095,665	3,255,887	5,095,665