Consolidated Statements of Income - USD ($)	12 Months Ended
	May 31, 2022	May 31, 2021
Income Statement [Abstract]
Sales	$ 74,170,351	$ 64,925,059
Cost of Sales	66,395,792	53,468,239
Gross Profit	7,774,559	11,456,820
Selling, General and Administrative Expenses	5,200,387	5,202,231
Operating Income	2,574,172	6,254,589
Other Income (Expense):
Gain on the forgiveness of debt	3,068,497
Other income	281,049	29,326
Interest expense	(841,701)	(1,177,799)
Income before Income Taxes	5,082,017	5,106,116
Provision for Income Taxes	535,417	1,480,590
Net Income	4,546,600	3,625,526
Income Attributable to Non-controlling Interest	(279,663)	(272,142)
Preferred Dividends	(328,459)	(323,219)
Net Income Attributable to Common Stockholders	$ 3,938,478	$ 3,030,165
Income Per Share of Common Stock -
Basic	$ 0.14	$ 0.11
Diluted	$ 0.13	$ 0.10
Weighted Average Shares of Common Stock Outstanding -
Basic	28,423,721	28,361,201
Diluted	32,252,432	32,364,942