Condensed Consolidated Statements of Changes in Stockholders' Equity (Deficit) - 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, 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
8% Dividends on Preferred Stock	$ 120,000	$ 40,000		(160,000)		160,000
Stock-based compensation				11,117		11,117
Net income					794,010	794,010
Balances at Sep. 30, 2019	$ 3,395,998	$ 1,047,367	$ 325,586	7,766,072	(11,812,579)	722,444
Balances (in Shares) at Sep. 30, 2019	500,000	166,667	3,255,887
Balances at Jun. 30, 2019	$ 3,335,998	$ 1,027,367	$ 325,586	7,840,796	(12,348,813)	180,934
Balances (in Shares) at Jun. 30, 2019	500,000	166,667	3,255,887
8% Dividends on Preferred Stock	$ 60,000	$ 20,000		(80,000)		80,000
Stock-based compensation				5,276		5,276
Net income					536,234	536,234
Balances at Sep. 30, 2019	$ 3,395,998	$ 1,047,367	$ 325,586	7,766,072	(11,812,579)	722,444
Balances (in Shares) at Sep. 30, 2019	500,000	166,667	3,255,887
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
8% Dividends on Preferred Stock	$ 120,000	$ 40,000		(160,000)		$ 160,000
Stock-based compensation				10,552		10,552
Net income					333,728	333,728
Balances at Sep. 30, 2020	$ 3,635,998	$ 1,127,367	$ 325,586	7,467,176	(7,536,371)	$ 5,019,756
Balances (in Shares) at Sep. 30, 2020	500,000	166,667	3,255,887			3,255,887
Balances at Jun. 30, 2020	$ 3,575,998	$ 1,107,367	$ 325,586	7,541,900	(7,759,119)	$ 4,791,732
Balances (in Shares) at Jun. 30, 2020	500,000	166,667	3,255,887
8% Dividends on Preferred Stock	$ 60,000	$ 20,000		(80,000)		80,000
Stock-based compensation				5,276		5,276
Net income					222,748	222,748
Balances at Sep. 30, 2020	$ 3,635,998	$ 1,127,367	$ 325,586	$ 7,467,176	$ (7,536,371)	$ 5,019,756
Balances (in Shares) at Sep. 30, 2020	500,000	166,667	3,255,887			3,255,887