XML 80 R61.htm IDEA: XBRL DOCUMENT v3.19.1
14. FAIR VALUE MEASUREMENTS (Details) - Fair Value, Inputs, Level 2 [Member] - USD ($)
Feb. 28, 2019
Feb. 28, 2018
14. FAIR VALUE MEASUREMENTS (Details) [Line Items]    
Lines of Credit, Fair Value Disclosure $ 0  
Long-term Debt, Fair Value $ 19,123,700 $ 19,454,500