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Long-term Debt (Details Narrative) - USD ($)
9 Months Ended
Aug. 10, 2018
Jun. 01, 2016
Feb. 28, 2022
Feb. 28, 2021
Mar. 17, 2022
Jan. 07, 2016
Dec. 15, 2005
Debt Instrument [Line Items]              
Amortization of debt issuance costs     $ 4,267 $ 2,532      
Debt Instrument, Maturity Date     Mar. 19, 2025        
Maturities long term debt year one     $ 2,818,321        
Maturities long term debt year two     10,172,715        
Maturities long term debt year three     545,176        
Maturities long term debt year four     79,502        
Maturities long term debt year five     50,430        
Maturities long term debt after year five     579,628        
Robert B. Rosene, Jr. [Member]              
Debt Instrument [Line Items]              
Debt instrument principal amount     $ 3,357,143        
Debt Instrument, Maturity Date     Jan. 15, 2024        
Note payable     $ 3,357,143        
Robert B. Rosene, Jr. [Member] | Director [Member]              
Debt Instrument [Line Items]              
Debt instrument interest rate             7.50%
Note payable             $ 2,066,000
Revolving Loan [Member]              
Debt Instrument [Line Items]              
Debt instrument interest rate     5.50%        
Line of Credit Facility, Maximum Borrowing Capacity     $ 300,000        
Restated Note [Member] | Robert B. Rosene, Jr. [Member]              
Debt Instrument [Line Items]              
Debt instrument principal amount   $ 2,066,000          
Note payable   4,541,690          
Accrued interest   $ 2,475,690          
IBC Loan Agreement [Member]              
Debt Instrument [Line Items]              
Payments of monthly principal and interest     194,000        
IBC Loan Agreement [Member] | Revolving Loan [Member]              
Debt Instrument [Line Items]              
Line of Credit Facility, Maximum Borrowing Capacity     4,000,000        
IBC Loan Agreement [Member] | Revolving Loan [Member] | Maximum [Member]              
Debt Instrument [Line Items]              
Debt instrument principal amount     4,000,000        
IBC Loan Agreement [Member] | Guaranty [Member]              
Debt Instrument [Line Items]              
[custom:GuaranteesCombinedAmount-0]     $ 6,500,000     $ 3,500,000  
Revolving Loan [Member]              
Debt Instrument [Line Items]              
Debt Instrument, Maturity Date     Jan. 31, 2024        
Loan Agreement between GRE and IBC [Member] | Mortgage Loan [Member]              
Debt Instrument [Line Items]              
Debt instrument interest rate 5.50%            
Extended maturity date Apr. 30, 2023            
Prime Rate [Member]              
Debt Instrument [Line Items]              
Debt instrument interest rate     3.25%        
Prime Rate [Member] | Revolving Loan [Member]              
Debt Instrument [Line Items]              
Debt instrument interest rate     0.50%        
Prime Rate [Member] | Subsequent Event [Member]              
Debt Instrument [Line Items]              
Debt instrument interest rate         3.50%