Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 2,253,757	$ 4,132,393
Cost of sales	1,418,572	2,117,646
Gross margin	835,185	2,014,747
Operating expenses:
Selling, general and administrative	556,209	554,031
Litigation expenses	724	1,181
Engineering, research, and development	522,103	693,575
Total operating expenses	1,079,036	1,248,787
(Loss) income from operations	(243,851)	765,960
Other (expense) income:
Interest income	986	984
Other income	0	13,593
Interest expense – judgement	(51,920)	(51,920)
Total other expense, net	(50,934)	(37,343)
(Loss) income before income taxes	(294,785)	728,617
Income tax (benefit) expense	(61,916)	153,116
Net (loss) income	(232,869)	575,501
Preferred dividends	(80,000)	(80,000)
Net (loss) income attributable to common shareholders	$ (312,869)	$ 495,501
Basic net (loss) income per common share (in Dollars per share)	$ (0.1)	$ 0.15
Diluted net (loss) income per common share (in Dollars per share)	$ (0.1)	$ 0.11
Weighted average shares outstanding:
Basic (in Shares)	3,255,887	3,255,887
Diluted (in Shares)	3,255,887	5,095,665