Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Sales	$ 12,135,247	$ 15,597,036	$ 25,595,894	$ 33,010,707
Cost of Sales	10,754,713	12,459,570	22,312,466	25,828,480
Gross Profit	1,380,534	3,137,466	3,283,428	7,182,227
Selling, General and Administrative Expenses	1,360,957	1,374,024	3,181,148	2,586,974
Gain on involuntary conversion (See Note 4)			(741,821)	0
Operating Income	19,577	1,763,442	844,101	4,595,253
Other Income (Expense):
Other income	51,081	1,554	70,470	3,153
Interest expense	(275,372)	(330,170)	(570,081)	(672,361)
Income before Income Taxes	(204,714)	1,434,826	344,490	3,926,045
Provision for Income Taxes	0	(470,000)	(213,750)	(1,217,000)
Net Income	(204,714)	964,826	130,740	2,709,045
Preferred Dividends	(140,583)	(146,472)	(288,665)	(292,671)
Net Income (Loss) Attributable to Common Stockholders	(345,297)	818,354	(157,925)	2,416,374
Income (Loss) before Income Taxes	(204,714)	1,434,826	344,490	3,926,045
Preferred Dividends	$ 140,583	$ 146,472	$ 288,665	$ 292,671
Income Per Share of Common Stock - (in dollars per share)	$ (0.01)	$ 0.03	$ (0.01)	$ 0.08
Basic (in dollars per share)	$ (0.01)	$ 0.03	$ (0.01)	$ 0.09
Basic (in shares)	28,279,701	28,279,701	28,279,701	28,279,701
Diluted (in shares)	28,279,701	28,774,780	28,279,701	28,774,562
Sales	$ 12,135,247	$ 15,597,036	$ 25,595,894	$ 33,010,707
Cost of Sales	10,754,713	12,459,570	22,312,466	25,828,480
Gross Profit	1,380,534	3,137,466	3,283,428	7,182,227
Selling, General and Administrative Expenses	1,360,957	1,374,024	3,181,148	2,586,974
Operating Income	$ 19,577	$ 1,763,442	$ 844,101	$ 4,595,253
Net Income (Loss) Per Share of Common Stock -
Basic (in dollars per share)	$ (0.01)	$ 0.03	$ (0.01)	$ 0.09
Income Per Share of Common Stock - (in dollars per share)	(0.01)	0.03	(0.01)	0.08
Basic (in dollars per share)	$ (0.01)	$ 0.03	$ (0.01)	$ 0.09
Basic (in shares)	28,279,701	28,279,701	28,279,701	28,279,701
Diluted (in shares)	28,279,701	28,774,780	28,279,701	28,774,562
Sales	$ 12,135,247	$ 15,597,036	$ 25,595,894	$ 33,010,707
Cost of Sales	10,754,713	12,459,570	22,312,466	25,828,480
Gross Profit	1,380,534	3,137,466	3,283,428	7,182,227
Selling, General and Administrative Expenses	1,360,957	1,374,024	3,181,148	2,586,974
Operating Income	$ 19,577	$ 1,763,442	$ 844,101	$ 4,595,253
Basic (in shares)	28,279,701	28,279,701	28,279,701	28,279,701
Diluted (in shares)	28,279,701	28,774,780	28,279,701	28,774,562