|
Note 11 - Shareholders' equity (Details) (USD $)
|
0 Months Ended |
12 Months Ended |
0 Months Ended |
8 Months Ended |
|
|
Aug. 23, 2013
|
Dec. 31, 2014
|
May 16, 2014
|
Dec. 31, 2014
|
Dec. 31, 2013
|
| Note 11 - Shareholders' equity (Details) [Line Items] |
|
|
|
|
|
| Share Price (in Dollars per share) |
|
$ 0.54 |
|
$ 0.54 |
$ 3.70 |
| Proceeds from Issuance of Common Stock (in Dollars) |
$ 57,000,000 |
|
|
|
|
| Minimum Price Per Share To Retain Stock Purchase Direction Right (in Dollars per share) |
|
$ 2.00 |
|
|
|
| Common Stock, Shares, Outstanding |
|
16,844,736 |
|
16,844,736 |
16,149,871 |
| Common Stock, Shares, Issued |
13,000,000 |
16,844,736 |
|
16,844,736 |
16,149,871 |
| Sale of Stock, Price Per Share (in Dollars per share) |
$ 5.00 |
|
|
|
|
| Aspire Capital [Member] |
|
|
|
|
|
| Note 11 - Shareholders' equity (Details) [Line Items] |
|
|
|
|
|
| Common Stock, Value, Subscriptions (in Dollars) |
|
|
15,000,000 |
|
|
| Common Stock Purchase Agreement Term |
|
|
30 months |
|
|
| Development Stage Entities, Stock Issued, Shares, Issued for Noncash Consideration |
|
|
90,635 |
|
|
| Stock Issued During Period, Shares, New Issues |
|
|
604,230 |
|
|
| Share Price (in Dollars per share) |
|
|
$ 3.31 |
|
|
| Proceeds from Issuance of Common Stock (in Dollars) |
|
|
1,900,000 |
|
|
| Issuance Cost for Purchase Agreement (in Dollars) |
|
|
100,000 |
|
|
| Minimum Price Per Share To Retain Stock Purchase Direction Right (in Dollars per share) |
|
|
|
$ 2.00 |
|
| Maximum Number of Common Shares to Be Purchased |
|
|
|
100,000 |
|
| Maximum Amount of Common Shares to Be Purchased, Per Trading Day (in Dollars) |
|
|
|
1,000,000 |
|
| Additional Common Shares To Be Purchased At Reporting Entity's Direction, Value (in Dollars) |
|
|
|
$ 13,000,000 |
|