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Note 10 - Share Repurchase Program	12 Months Ended
	Dec. 31, 2014
Disclosure Text Block Supplement [Abstract]
Treasury Stock [Text Block]	10. Share Repurchase Program In December 2007, our Board of Directors approved a share repurchase program to repurchase up to one million shares of our common stock either through purchases on the open market or through private transactions. The timing and extent to which we will repurchase shares depends on market conditions and other corporate considerations. We have made no purchases in 2014, 2013 or 2012. The repurchase program does not have an expiration date.

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

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