Note 8 - New Accounting Pronouncement	3 Months Ended
Mar. 31, 2013
Description of New Accounting Pronouncements Not yet Adopted [Text Block]	8. New Accounting Pronouncement In March 2013, the FASB issued amendments to address the accounting for the cumulative translation adjustment when a parent either sells a part or all of its investment in a foreign entity or no longer holds a controlling financial interest in a subsidiary or group of assets that is a nonprofit activity or a business within a foreign entity. The amendments are effective prospectively for fiscal years (and interim reporting periods within those years) beginning after December 15, 2013 (early adoption is permitted). The adoption of this guidance is not expected to have a material effect on our results of operations, financial position or liquidity.

Note 8 - New Accounting Pronouncement

3 Months Ended

Mar. 31, 2013

Description of New Accounting Pronouncements Not yet Adopted [Text Block]

8. New Accounting Pronouncement

In March 2013, the FASB issued amendments to address the accounting for the cumulative translation adjustment when a parent either sells a part or all of its investment in a foreign entity or no longer holds a controlling financial interest in a subsidiary or group of assets that is a nonprofit activity or a business within a foreign entity. The amendments are effective prospectively for fiscal years (and interim reporting periods within those years) beginning after December 15, 2013 (early adoption is permitted). The adoption of this guidance is not expected to have a material effect on our results of operations, financial position or liquidity.