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Note 6 - Dividends	3 Months Ended
Mar. 31, 2014
Dividends [Abstract]
Dividends [Text Block]	(6) Dividends In 2010, we announced that our Board of Directors approved a regular cash dividend program to our stockholders, subject to approval each quarter. Quarterly cash dividends of $0.025 per share of common stock were declared in March 2014 and paid in April 2014, and of $0.017 per share of common stock were paid in March 2013.

Note 6 - Dividends

3 Months Ended

Mar. 31, 2014

(6) Dividends

In 2010, we announced that our Board of Directors approved a regular cash dividend program to our stockholders, subject to approval each quarter. Quarterly cash dividends of $0.025 per share of common stock were declared in March 2014 and paid in April 2014, and of $0.017 per share of common stock were paid in March 2013.