EMPLOYEE AND DIRECTOR EQUITY INCENTIVE PLANS (Details) |
3 Months Ended | |
|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
|
| Expected life of option (years) | 4 years | |
| Risk-free interest rate, minimum | 1.66% | |
| Risk-free interest rate, maximum | 1.69% | |
| Assumed volatility, minimum | 113.62% | |
| Assumed volatility, maximum | 113.75% | |
| Expected dividend rate | 0.00% | |
| Expected forfeiture rate, minimum | 6.15% | |
| Expected forfeiture rate, maximum | 6.72% | |