Note 6 - Derivative Obligations, Fair Value Assumptions (Details) - $ / shares
|
|
8 Months Ended |
12 Months Ended |
|
Aug. 31, 2015 |
Feb. 16, 2016 |
Jun. 30, 2016 |
Jun. 30, 2015 |
Feb. 29, 2016 |
| Series A Warrant [Member] |
|
|
|
|
|
| Share Price |
$ 13.60
|
|
$ 2.93
|
|
|
| Fair Value Assumptions, Expected Volatility Rate |
72.00%
|
|
99.00%
|
|
|
| Fair Value Assumptions, Expected Term |
5 years 182 days
|
|
4 years 255 days
|
|
|
| Fair Value Inputs, Discount Rate |
1.54%
|
|
1.01%
|
|
|
| Fair Value Assumptions, Expected Dividend Rate |
0.00%
|
|
0.00%
|
|
|
| Exercise price (in dollars per share) |
$ 13.60
|
|
$ 8
|
|
|
| Series B Warrant [Member] |
|
|
|
|
|
| Share Price |
$ 13.60
|
$ 4
|
|
|
|
| Fair Value Assumptions, Expected Volatility Rate |
62.00%
|
137.00%
|
|
|
|
| Fair Value Assumptions, Expected Term |
1 year 182 days
|
1 year
|
|
|
|
| Fair Value Inputs, Discount Rate |
0.57%
|
0.50%
|
|
|
|
| Fair Value Assumptions, Expected Dividend Rate |
0.00%
|
0.00%
|
|
|
|
| Exercise price (in dollars per share) |
$ 13.60
|
$ 13.60
|
|
|
|
| Share Price |
|
|
|
|
$ 4
|
| Fair Value Assumptions, Expected Volatility Rate |
|
|
80.00%
|
75.00%
|
|
| Fair Value Assumptions, Expected Term |
|
|
5 years
|
5 years
|
|
| Fair Value Assumptions, Expected Dividend Rate |
|
|
0.00%
|
0.00%
|
|