Note 1 - Description of Business (Details) |
Apr. 13, 2011
shares
|
Sep. 30, 2015
$ / shares
shares
|
Jun. 09, 2015
shares
|
Dec. 31, 2014
$ / shares
shares
|
[1] |
Dec. 31, 2013
$ / shares
shares
|
Sep. 19, 2013
shares
|
Aug. 11, 2006
$ / shares
|
Aug. 10, 2006
$ / shares
shares
|
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Note 1 - Description of Business (Details) [Line Items] | |||||||||||
| Number of Shares of Target Company that Each Share of Common Stock Receives in a Merger Transaction | 1 | ||||||||||
| Common Stock, Par or Stated Value Per Share (in Dollars per share) | $ / shares | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.01 | ||||||
| Common Stock, Shares Authorized | 500,000,000 | 1,250,000,000 | 1,250,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | |||||
| Reverse Stock Split [Member] | |||||||||||
| Note 1 - Description of Business (Details) [Line Items] | |||||||||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 4 | ||||||||||
| |||||||||||