Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 1,565,094	$ 2,012,758	$ 4,432,024	$ 4,266,515
Cost of sales	1,205,610	1,459,286	2,777,990	2,877,858
Gross margin	359,484	553,472	1,654,034	1,388,657
Operating expenses:
Selling, general and administrative	521,070	479,253	1,105,928	1,036,186
Engineering, research, and development	317,715	609,636	607,155	1,131,739
Total operating expenses	838,785	1,088,889	1,713,083	2,167,925
Loss from operations	(479,301)	(535,417)	(59,049)	(779,268)
Other income (expense):
Interest income	12,320	2,137	51,609	3,123
Interest expense – judgement	(128,290)	(71,016)	(198,535)	(122,936)
Interest expense – other	(13,133)	0	(26,587)
Total other net (expense) income	(129,103)	(68,879)	(173,513)	(119,813)
Loss before income taxes	(608,404)	(604,296)	(232,562)	(899,081)
Income tax benefit	(173,251)	(126,928)	(92,701)	(188,844)
Net loss	(435,153)	(477,368)	(139,861)	(710,237)
Preferred dividends	(82,708)	(80,000)	(162,708)	(160,000)
Net loss attributable to common shareholders	$ (517,861)	$ (557,368)	$ (302,569)	$ (870,237)
Basic net loss per common share (in Dollars per share)	$ (0.16)	$ (0.17)	$ (0.09)	$ (0.27)
Diluted net loss per common share (in Dollars per share)	$ (0.16)	$ (0.17)	$ (0.09)	$ (0.27)
Weighted average shares outstanding:
Basic (in Shares)	3,255,887	3,255,887	3,255,887	3,255,887
Diluted (in Shares)	3,255,887	3,255,887	3,255,887	3,255,887