Filing	Description	Date Filed	Size	View
S-8	registration statement	Dec 12, 1997	66.5 KB
S-8	registration statement	Sep 28, 2001	180.0 KB
S-8	registration statement	Oct 5, 2001	124.0 KB
S-8 POS	registration statement	Aug 12, 2010	75.5 KB
S-8 POS	registration statement	Aug 12, 2010	75.5 KB
S-8 POS	registration statement	Aug 12, 2010	75.5 KB
S-8 POS	registration statement	Aug 12, 2010	75.5 KB
SC 13D	general statement of beneficial ownership	Apr 26, 2013	74.2 KB
SC 13D	general statement of beneficial ownership	Feb 25, 2008	61.5 KB
SC 13D	general statement of beneficial ownership	May 18, 2009	184.3 KB
SC 13D	general statement of beneficial ownership	Jun 11, 1998	342.1 KB
SC 13D	general statement of beneficial ownership	Oct 20, 1997	383.6 KB
SC 13D/A	amended general statement of beneficial ownership	Oct 10, 2008	38.0 KB
SC 13D/A	amended general statement of beneficial ownership	Nov 4, 2008	45.2 KB
SC 13D/A	amended general statement of beneficial ownership	Apr 29, 2009	53.7 KB
SC 13D/A	amended general statement of beneficial ownership	Jun 16, 2009	38.9 KB
SC 13D/A	amended general statement of beneficial ownership	Nov 10, 2011	75.9 KB
SC 13D/A	amended general statement of beneficial ownership	Apr 22, 2013	230.1 KB
SC 13D/A	amended general statement of beneficial ownership	Apr 26, 2013	57.9 KB
SC 13D/A	amended general statement of beneficial ownership	Jun 17, 2008	47.9 KB
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