Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Deficit) - Schedule of Stock-Based Compensation Expenses (Details)

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Stockholders' Equity (Deficit) - Schedule of Stock-Based Compensation Expenses (Details) - USD ($)
 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Total stock-based compensation expense $ 797,000 $ 1,803,000
Research and Development [Member]    
Total stock-based compensation expense 178,000 215,000
General and Administrative [Member]    
Total stock-based compensation expense $ 619,000 $ 1,588,000