Schedule of Long-Term Debt (Details) (Parenthetical) - USD ($)	3 Months Ended	12 Months Ended
	Aug. 31, 2021	May 31, 2021
Term loan A payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.0%, Maturing April 30, 2023 [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	0.50%	0.50%
Debt instrument maturity date	Apr. 30, 2023	Apr. 30, 2023
Term loan A payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.0%, Maturing April 30, 2023 [Member] | Maximum [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	4.00%	4.00%
Term loan C Payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.0%, Maturing August 4, 2024 [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	0.50%	0.50%
Debt instrument maturity date	Aug. 04, 2024	Aug. 04, 2024
Term loan C Payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.0%, Maturing August 4, 2024 [Member] | Maximum [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	4.00%	4.00%
Term loan D Payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.75%, Maturing January 10, 2022 [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	0.50%	0.50%
Debt instrument maturity date	Jan. 10, 2022	Jan. 10, 2022
Term loan D Payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.75%, Maturing January 10, 2022 [Member] | Maximum [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	4.75%	4.75%
Term Loan E Payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.75%, Maturing February 28, 2023 [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	0.50%	0.50%
Debt instrument maturity date	Feb. 28, 2023	Feb. 28, 2023
Term Loan E Payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.75%, Maturing February 28, 2023 [Member] | Maximum [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	4.75%	4.75%
Term loan F Payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 5.25%, Maturing February 29, 2024 [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	0.50%	0.50%
Debt instrument maturity date	Feb. 29, 2024	Feb. 29, 2024
Term loan F Payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 5.25%, Maturing February 29, 2024 [Member] | Maximum [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	5.25%	5.25%
Term loan G payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.5%, Refinanced with Great Western Bank [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	0.50%	0.50%
Term loan G payable to International Bank of Commerce, Prime Rate of Interest Plus 0.5% but not less than 4.5%, Refinanced with Great Western Bank [Member] | Maximum [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	4.50%	4.50%
Paycheck Protection Program note, Interest Rate of 1.0%, Debt Forgiven June 11, 2021 [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	1.00%	1.00%
Debt instrument maturity date	Jun. 11, 2021	Jun. 11, 2021
Term loan payable by GRE to International Bank of Commerce, Interest Rate of 5.5%, Monthly Principal and Interest Payment of $27,688, due April 30, 2023 [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	5.50%	5.50%
Debt instrument maturity date	Apr. 30, 2023	Apr. 30, 2023
Debt instrument principal and interest amount	$ 27,688	$ 27,688
Term Loan Payable to Great Western Bank, Interest Rate of 3.7%, Monthly Principal and Interest Payments of $27,593, due March 19, 2025, Secured by Certain Equipment [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	3.70%	3.70%
Debt instrument maturity date	Mar. 19, 2025	Mar. 19, 2025
Debt instrument principal and interest amount	$ 27,593	$ 27,593
Term loan payable to Great Western Bank, interest rate of 3.5%, Monthly Principal and Interest Payments of $5,997, due August 10, 2028, Secured by Certain Real Estate [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	3.50%	3.50%
Debt instrument maturity date	Aug. 10, 2028	Aug. 10, 2028
Debt instrument principal and interest amount	$ 5,997	$ 5,997
Note payable to Robert Rosene, 7.5% interest, due January 15, 2023 [Member]
Short-term Debt [Line Items]
Debt instrument interest rate	7.50%	7.50%
Debt instrument maturity date	Jan. 15, 2023	Jan. 15, 2023