Net Income per Share (Details) - Schedule of Earnings Per Share, Basic and Diluted - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Basic net income per share computation:
Net income	$ 194,622	$ 499,633	$ 1,769,799	$ 833,361
Less: Preferred dividends	(80,000)	(80,000)	(240,000)	(240,000)
Net income attributable to common shareholders	114,622	419,633	1,529,799	593,361
Add: Preferred dividends	80,000	80,000	240,000	240,000
Diluted income attributable to common shareholders	$ 194,622	$ 499,633	$ 1,769,799	$ 833,361
Weighted-average common shares outstanding (in Shares)	3,255,887	3,255,887	3,255,887	3,255,887
Incremental shares attributable to the assumed conversion of preferred stock (in Shares)	1,839,778	1,839,778	1,839,778	1,809,778
Total adjusted weighted-average shares (in Shares)	5,095,665	5,095,665	5,095,665	5,065,665
Diluted net income per share (in Dollars per share)	$ 0.04	$ 0.1	$ 0.35	$ 0.16
Basic net income per share (in Dollars per share)	$ 0.04	$ 0.13	$ 0.47	$ 0.18