Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Series A Preferred Stock [Member] Preferred Stock [Member]	Series B Preferred Stock [Member] Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Balances at Mar. 31, 2018	$ 3,035,998		$ 325,586	$ 8,046,975	$ (12,809,627)	$ (1,401,068)
Balances (in Shares) at Mar. 31, 2018	500,000		3,255,887
Issuance of Convertible Preferred Stock		$ 968,257				968,257
Issuance of Convertible Preferred Stock (in Shares)		166,667
Proceeds from short-swing profits from an investor, net				123,074		123,074
8% Dividends on Preferred Stock	$ 240,000	$ 39,110		(279,110)		312,807
Stock-based compensation				24,016		24,016
Net income					203,038	203,038
Balances at Mar. 31, 2019	$ 3,275,998	$ 1,007,367	$ 325,586	7,914,955	(12,606,589)	$ (82,683)
Balances (in Shares) at Mar. 31, 2019	500,000	166,667	3,255,887			3,255,887
8% Dividends on Preferred Stock	$ 240,000	$ 80,000		(320,000)		$ 320,000
Stock-based compensation				21,669		21,669
Net income					4,736,490	4,736,490
Balances at Mar. 31, 2020	$ 3,515,998	$ 1,087,367	$ 325,586	$ 7,616,624	$ (7,870,099)	$ 4,675,476
Balances (in Shares) at Mar. 31, 2020	500,000	166,667	3,255,887			3,255,887