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STOCKHOLDERS' EQUITY (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Stockholders' equity:        
Stock based compensation, options $ 244,528 $ 403,464 $ 885,935 $ 767,791
Additional stock based compensation, options     109,004  
Stock based compensation, restricted stock units $ 409,871 $ 925,608 $ 1,871,839 $ 1,603,001