Note 7 - Stockholders' Deficit (Tables)
|
9 Months Ended |
Mar. 31, 2017 |
Notes Tables |
|
Schedule of Stock by Class [Table Text Block] |
| | | | | | | | | | | | | | | | Shares issued in 2016 Private Placement as Loan Conversion | | $ | 400,000 | | | | 10,000,000 | | Shares issued in 2016 Private Placement for Cash | | | 1,075,000 | | | | 26,875,000 | | Shares issued in 2016 Private Placement for Private Placement Subscription | | | - | | | | 2,500,000 | | Shares issued for Services Rendered | | | 9,375 | | | | 225,000 | | Shares issued in Warrant Exchange | | | 10,089 | | | | 1,633,950 | | Total | | $ | 1,494,464 | | | | 41,233,950 | |
|
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
| | | | | | | | | | Warrants outstanding and exercisable at June 30, 2016 | | |
28,040,096 | | | $ |
0.20 | | |
|
- |
2.50 | | Warrants issued | | |
- | | | $ |
- | | |
|
- |
| | Warrants exchanged | | |
| ) | | $ |
0.14 | | |
|
- |
| | Warrants outstanding and exercisable at March 31, 2017
| | |
25,325,900 | | | $ |
| | |
|
- |
| |
|
Share-based Compensation, Stock Options, Activity [Table Text Block] |
| | | | | | | | | | Outstanding at June 30, 2016 | | |
9,004,020 | | | $ |
0.11 | | | |
| | Granted | | |
- | | | |
| | | |
| | Exercised | | |
- | | | |
| | | |
| | Forfeited and cancelled | | |
| ) | | $ |
| | | |
| | Outstanding at March 31, 2017
| | |
7,162,771 | | | $ |
0.10 | | | |
| | Exercisable at March 31, 2017
| | |
5,624,351 | | | $ |
0.11 | | | |
7.00 | |
| | | | | | | | | | Outstanding at June 30, 2015 | | |
6,101,357 | | | $ |
0.15 | | | |
| | Granted | | |
4,385,000 | | | |
0.05 | | | |
| | Exercised | | |
- | | | |
| | | |
| | Forfeited and cancelled | | |
| ) | | |
| | | |
| | Outstanding at March 31, 2016
| | |
9,246,520 | | | $ |
0.11 | | | |
6.70 | | Exercisable at March 31, 2016
| | |
6,467,999 | | | $ |
| | | |
5.55 | |
|
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] |
| | For the Three Months Ended | | | | | | | | | | | | | | | | | | Research and development | | $ | 3,000 | | | $ | 4,000 | | | $ | 10,000 | | | $ | 18,000 | | General and administration | | | 7,000 | | | | 17,000 | | | | 20,000 | | | | 81,000 | | Total stock-based compensation expense | | $ | 10,000 | | | $ | 21,000 | | | $ | 30,000 | | | $ | 99,000 | |
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Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
| | | | | | | Expected volatility | | | 100% | | | | 100% | | Risk free interest rate | | | 1.31% | | | | 1.31% | | Forfeiture rate | | | 23.0% | | | | 17% | | Dividend yield | | | 0% | | | | 0% | | Expected term (years) | | | 3 | | | | 3 | |
|