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REVENUE RECOGNITION (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
May 31, 2021
Feb. 28, 2021
Revenue from Contract with Customer [Abstract]    
Proceeds in cash deposits $ 1,247,000 $ 1,167,000
Letter of credit $ 618,000  
Letter of credit, collateral description the Company was utilizing $618,000 of its available credit line to collateralize these letters of credit.  
Revenue recognized $ 457,000