Note 12 - Cash Dividends (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Conversion Rates for Convertible Notes [Table Text Block]

Convertible Notes	Conversion Rate per $1,000 Principal Amount		Approximate Conversion Price Per Common Share		Effective Date
Series 2012 Notes		166.26	$	6.01	September 5, 2012
May 2015 Notes		145.49	$	6.87	September 5, 2012
February 2015 Notes		166.26	$	6.01	September 10, 2012