Note 11 - Cash Dividends

3 Months Ended

Mar. 31, 2012

Stockholders' Equity Note Disclosure [Text Block]

11. Cash Dividends

On January 18, 2012, our board of directors declared that the regular quarterly dividends to be paid to our stockholders in 2012 will be $0.15 per share of common stock, payable on March 14, June 14, September 14 and December 14 of 2012 to stockholders of record on March 7, June 7, September 7 and December 7 of 2012, the record dates for each of the dividend payments, respectively.

In connection with the March 14, 2012, dividend payment, the conversion rates for our convertible notes increased as follows:

Convertible Notes	Conversion Rate per $1,000 Principal Amount	Approximate Conversion Price Per Common Share		Effective Date
May 2015 Notes	139.2165	$	7.18	March 5, 2012
Series 2012 Notes	159.098	$	6.29	March 5, 2012
February 2015 Notes	159.098	$	6.29	March 8, 2012