Quarterly data for the years ended December 31, 2005, 2004 and 2003 is as follows (in thousands except per share data):

During the fourth quarter ended December 31, 2005, the Company adopted SFAS No. 151, Inventory Costs and recorded additional expenses to cost of sales of $415,000, research and development expense of $83,000 and selling, general and administrative expense of $37,000.

During the fourth quarter ended December 31, 2004, the Company accrued severance costs totaling approximately $663,000 related to the termination of employment of certain employees.