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9. FAIR VALUE MEASUREMENTS (Details) - USD ($)
Jun. 30, 2018
Jun. 30, 2017
Money Market Account $ 37,808,099 $ 40,019,336
Level 1    
Money Market Account 37,808,099 40,019,336
Level 2    
Money Market Account 0 0
Level 3    
Money Market Account $ 0 $ 0