Supplemental Cash Flow Information

3 Months Ended

Jun. 30, 2011

Cash Flow, Supplemental Disclosures [Text Block]

(8) Supplemental Cash Flow Information

          The Company considers all highly liquid investment securities with original maturities of three months or less to be cash equivalents. During the six months ended June 30, 2011, there were payments of interest related to the Company’s 4% notes in the amount of $2.7 million. During the six months ended June 30, 2010, the Company had a noncash conversion of $115.6 million principal amount of the 4% notes into approximately 13.5 million shares of its common stock. This first-quarter conversion resulted in a waiver of accumulated interest which amounted to approximately $0.8 million in interest savings for the Company. Income tax payments were $5,000 and $0.1 million for each of the six month periods ended June 30, 2011 and 2010, respectively.