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CREDIT FACILITY AND NOTES PAYABLE (Details - Margin Spread Based on Leverage Ratio, Debt Instrument) - Restated Agreement
9 Months Ended
Aug. 31, 2018
Sep. 30, 2020
Pricing Level I    
Debt Instrument [Line Items]    
Leverage ratio, greater than 3.00  
Pricing Level I | Revolving Credit Facility    
Debt Instrument [Line Items]    
Commitment fee percentage 2.75%  
Unused capacity, commitment fee percentage 0.45%  
Pricing Level I | Eurodollar | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 2.75%  
Pricing Level I | Base Rate | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.75%  
Pricing Level II    
Debt Instrument [Line Items]    
Leverage ratio, greater than 2.50  
Leverage ratio, less than 3.00  
Pricing Level II | Revolving Credit Facility    
Debt Instrument [Line Items]    
Commitment fee percentage 2.25%  
Unused capacity, commitment fee percentage 0.40%  
Pricing Level II | Eurodollar | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 2.25%  
Pricing Level II | Base Rate | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.25%  
Pricing Level III    
Debt Instrument [Line Items]    
Leverage ratio, greater than 2.00  
Leverage ratio, less than 2.50  
Pricing Level III | Revolving Credit Facility    
Debt Instrument [Line Items]    
Commitment fee percentage 2.00%  
Unused capacity, commitment fee percentage 0.35%  
Pricing Level III | Eurodollar | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 2.00% 2.00%
Pricing Level III | Base Rate | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.00%  
Pricing Level IV    
Debt Instrument [Line Items]    
Leverage ratio, greater than 1.50  
Leverage ratio, less than 2.00  
Pricing Level IV | Revolving Credit Facility    
Debt Instrument [Line Items]    
Commitment fee percentage 1.75%  
Unused capacity, commitment fee percentage 0.30%  
Pricing Level IV | Eurodollar | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.75%  
Pricing Level IV | Base Rate | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.75%  
Pricing Level V    
Debt Instrument [Line Items]    
Leverage ratio, less than 1.50  
Pricing Level V | Revolving Credit Facility    
Debt Instrument [Line Items]    
Commitment fee percentage 1.50%  
Unused capacity, commitment fee percentage 0.30%  
Pricing Level V | Eurodollar | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 1.50%  
Pricing Level V | Base Rate | Revolving Credit Facility    
Debt Instrument [Line Items]    
Basis spread on variable rate 0.50%