Equity Incentive Plans StockBased Compensation Exercise of Options and Warrants Outstanding (Details 4) - Warrant [Member] |
12 Months Ended | |
|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
|
| Expected term (in years) | 3 years | |
| Expected stock price volatility | 82.36% | |
| Risk-free interest rate | 2.73% | |
| Expected dividend yield | 0.00% | 0.00% |
| Minimum [Member] | ||
| Expected term (in years) | 5 years | |
| Expected stock price volatility | 67.34% | |
| Risk-free interest rate | 2.51% | |
| Maximum [Member] | ||
| Expected term (in years) | 10 years | |
| Expected stock price volatility | 104.11% | |
| Risk-free interest rate | 2.86% | |