SEC Filings

Form	Description	Filer	Filing date
SC 13G/A	An amendment to the SC 13G filing	AMERICAN CENTURY INVESTMENT MANAGEMENT INC	Feb 10, 2003
SC 13G/A	An amendment to the SC 13G filing	COOK BRIAN R	Jan 29, 2004
SC 13G/A	An amendment to the SC 13G filing	CRAMER ROSENTHAL MCGLYNN LLC	Feb 6, 2004
SC 13G/A	An amendment to the SC 13G filing	COOK BRIAN R	Feb 7, 2005
SC 13G/A	An amendment to the SC 13G filing	ENDOWMENT CAPITAL GROUP LLC	Feb 15, 2005
SC 13G/A	An amendment to the SC 13G filing	ENDOWMENT CAPITAL GROUP LLC	Jan 24, 2006
SC 13G/A	An amendment to the SC 13G filing	ENDOWMENT CAPITAL GROUP LLC	Feb 3, 2006
SC 13G/A	An amendment to the SC 13G filing	SNOW CAPITAL MANAGEMENT LP	Mar 2, 2006
SC 13G/A	An amendment to the SC 13G filing	SPROTT SECURITIES INC	Dec 22, 2000
SC 13G/A	An amendment to the SC 13G filing	WELLS FARGO & CO/MN	Feb 13, 2001