Note 6 - Stockholders' Deficit (Tables)
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6 Months Ended |
Dec. 31, 2016 |
Notes Tables |
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Schedule of Stock by Class [Table Text Block] |
| | Value of Common Stock | | | Shares of Common Stock | | | | | | | | | | | 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 | | | 3,000 | | | | 75,000 | | Shares issued in Warrant Exchange | | | 7,824 | | | | 1,106,341 | | Total | | $ | 1,485,824 | | | | 40,556,341 | |
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Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] |
| | Number of Warrants | | | Weighted Average Exercise Price Per Warrant | | | Remaining Contract Term (# years) | Warrants outstanding and exercisable at June 30, 2016 | | | 28,040,096 | | | $ | 0.20 | | | 0.39 | - | 2.50 | | Warrants issued | | | - | | | $ | - | | | | - | | | Warrants exchanged | | | (1,837,777 | ) | | $ | 0.14 | | | | - | | | Warrants outstanding and exercisable at December 31, 2016 | | | 26,202,319 | | | $ | 0.20 | | | 0.20 | - | 1.96 | |
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Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
| | | | | | | | | | Outstanding at June 30, 2016 | | | 9,004,020 | | | $ | 0.11 | | | | | | Granted | | | - | | | | | | | | | | Exercised | | | - | | | | | | | | | | Forfeited and cancelled | | | (801,320 | ) | | $ | 0.25 | | | | | | Outstanding at December 31, 2016 | | | 8,202,700 | | | $ | 0.10 | | | | 7.17 | | Exercisable at December 31, 2016 | | | 6,322,325 | | | $ | 0.11 | | | | 6.55 | |
| | | | | | | | | | Outstanding at June 30, 2015 | | | 6,101,357 | | | $ | 0.15 | | | | | | Granted | | | 4,385,000 | | | | 0.05 | | | | | | Exercised | | | - | | | | | | | | | | Forfeited and cancelled | | | (389,774 | ) | | | 0.10 | | | | | | Outstanding at December 31, 2015 | | | 10,096,583 | | | $ | 0.11 | | | | 7.72 | | Exercisable at December 31, 2015 | | | 6,056,827 | | | $ | 0.14 | | | | 6.49 | |
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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 | | | $ | 11,000 | | | $ | 7,000 | | | $ | 14,000 | | General and administration | | | 7,000 | | | | 37,000 | | | | 13,000 | | | | 64,000 | | Total stock-based compensation expense | | $ | 10,000 | | | $ | 48,000 | | | $ | 20,000 | | | $ | 78,000 | |
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Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
Six months ended December 31, | | | | | | | 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 | |
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