Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details 4)

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Stockholders' Equity (Details 4) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 159,852 $ 122,751 $ 210,837 $ 255,653
Research and development [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense 24,151 23,127 32,304 51,577
General and administrative [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 135,701 $ 99,624 $ 178,533 $ 204,076