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Note 6 - Dividends	6 Months Ended
Note 6 - Dividends	Jun. 30, 2012
Dividends [Text Block]	(6) Dividends In August 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 $0.02 and $0.025 per share of common stock were paid in March and May 2012, respectively.