Note 1 - Description of Business (Details) |
Apr. 13, 2011
shares
|
Dec. 31, 2014
$ / shares
shares
|
Dec. 31, 2013
$ / shares
shares
|
Aug. 11, 2006
$ / shares
|
Aug. 10, 2006
$ / shares
shares
|
|---|---|---|---|---|---|
| Reverse Stock Split [Member] | |||||
| Note 1 - Description of Business (Details) [Line Items] | |||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 4 | ||||
| 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 | $ / shares | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.01 | |
| Common Stock, Shares Authorized | 500,000,000 | 500,000,000 | 500,000,000 |