Condensed Consolidated Statement of Shareholders' Equity (Unaudited) - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance at Mar. 31, 2022	$ 1,400	$ 116,487	$ 385,426,431	$ (11,240,752)		$ 374,303,566
Balance, shares at Mar. 31, 2022	1,400,000	116,485,747
Employee stock awards		$ 338	1,174,725			1,175,063
Employee stock awards, shares		338,375
Stock grants			47,844			47,844
Preferred stock dividend				(638,071)		(638,071)
Dividends accumulated on preferred stock				(136,061)		(136,061)
Net income (loss)				3,253,027		3,253,027
Common stock issued for cashless warrant exercise		$ 99	(99)
Common stock issued for cashless warrant exercise, shares		99,762
Balance at Jun. 30, 2022	$ 1,400	$ 116,924	386,648,901	(8,761,857)		378,005,368
Balance, shares at Jun. 30, 2022	1,400,000	116,923,884
Balance at Mar. 31, 2022	$ 1,400	$ 116,487	385,426,431	(11,240,752)		374,303,566
Balance, shares at Mar. 31, 2022	1,400,000	116,485,747
Net income (loss)						(1,653,472)
Balance at Dec. 31, 2022	$ 1,400	$ 117,894	390,501,876	(15,233,633)	(290,861)	375,096,676
Balance, shares at Dec. 31, 2022	1,400,000	117,894,417
Balance at Jun. 30, 2022	$ 1,400	$ 116,924	386,648,901	(8,761,857)		378,005,368
Balance, shares at Jun. 30, 2022	1,400,000	116,923,884
Employee stock awards		$ 339	1,176,036			1,176,375
Employee stock awards, shares		338,750
Stock grants			43,750			43,750
Preferred stock dividend				(646,595)		(646,595)
Dividends accumulated on preferred stock				(136,044)		(136,044)
Net income (loss)				(803,507)		(803,507)
Common stock issued for cashless warrant exercise		$ 12	24,230			24,242
Common stock issued for cashless warrant exercise, shares		12,121
Balance at Sep. 30, 2022	$ 1,400	$ 117,275	387,892,917	(10,348,003)		377,663,589
Balance, shares at Sep. 30, 2022	1,400,000	117,274,755
Employee stock awards		$ 604	2,105,931			2,106,535
Employee stock awards, shares		604,510
Stock grants			43,750			43,750
Preferred stock dividend				(638,304)		(638,304)
Dividends accumulated on preferred stock				(144,334)		(144,334)
Net income (loss)				(4,102,992)		(4,102,992)
Treasury shares purchased		$ (150)			(290,861)	(291,011)
Treasury shares purchased, shares		(150,000)
Common stock issued for exercised warrants		$ 165	31,639			31,804
Common stock issued for exercised warrants, shares		165,152
Warrants issued for services			427,639			427,639
Balance at Dec. 31, 2022	$ 1,400	$ 117,894	390,501,876	(15,233,633)	(290,861)	375,096,676
Balance, shares at Dec. 31, 2022	1,400,000	117,894,417
Balance at Mar. 31, 2023	$ 1,400	$ 118,294	391,940,374	(18,941,825)	(522,158)	372,596,085
Balance, shares at Mar. 31, 2023	1,400,000	118,294,478
Employee stock awards		$ 391	822,406			822,797
Employee stock awards, shares		390,111
Stock grants			50,750			50,750
Preferred stock dividend				(638,038)		(638,038)
Dividends accumulated on preferred stock				(136,094)		(136,094)
Net income (loss)				(1,093,033)		(1,093,033)
Treasury shares purchased		$ (739)			(1,456,005)	(1,456,744)
Treasury shares purchased, shares		(738,831)
Balance at Jun. 30, 2023	$ 1,400	$ 117,946	392,813,530	(20,808,990)	(1,978,163)	370,145,723
Balance, shares at Jun. 30, 2023	1,400,000	117,945,758
Balance at Mar. 31, 2023	$ 1,400	$ 118,294	391,940,374	(18,941,825)	(522,158)	372,596,085
Balance, shares at Mar. 31, 2023	1,400,000	118,294,478
Net income (loss)						(10,232,319)
Balance at Dec. 31, 2023	$ 1,400	$ 118,644	395,449,082	(31,513,554)	(2,673,156)	361,382,416
Balance, shares at Dec. 31, 2023	1,400,000	118,643,593
Balance at Jun. 30, 2023	$ 1,400	$ 117,946	392,813,530	(20,808,990)	(1,978,163)	370,145,723
Balance, shares at Jun. 30, 2023	1,400,000	117,945,758
Employee stock awards		$ 713	1,467,236			1,467,949
Employee stock awards, shares		712,783
Stock grants			50,750			50,750
Preferred stock dividend				(646,545)		(646,545)
Dividends accumulated on preferred stock				(136,094)		(136,094)
Net income (loss)				(7,495,297)		(7,495,297)
Treasury shares purchased		$ (198)			(398,627)	(398,825)
Treasury shares purchased, shares		(197,798)
Balance at Sep. 30, 2023	$ 1,400	$ 118,461	394,331,516	(29,086,926)	(2,376,790)	362,987,661
Balance, shares at Sep. 30, 2023	1,400,000	118,460,743
Employee stock awards		$ 328	686,771			687,099
Employee stock awards, shares		328,333
Stock grants			50,750			50,750
Preferred stock dividend				(638,021)		(638,021)
Dividends accumulated on preferred stock				(144,618)		(144,618)
Net income (loss)				(1,643,989)		(1,643,989)
Treasury shares purchased		$ (145)			(296,366)	(296,511)
Treasury shares purchased, shares		(145,483)
Common stock purchase options			380,045			380,045
Balance at Dec. 31, 2023	$ 1,400	$ 118,644	$ 395,449,082	$ (31,513,554)	$ (2,673,156)	$ 361,382,416
Balance, shares at Dec. 31, 2023	1,400,000	118,643,593