Date Filed	Type	Description	Filer	View
03/20/2006	4	Statement of changes in beneficial ownership of securities	Rockov Kolja
03/09/2006	4	Statement of changes in beneficial ownership of securities	Tipton Curtis L
03/09/2006	4	Statement of changes in beneficial ownership of securities	Keddie Roland P
03/09/2006	4	Statement of changes in beneficial ownership of securities	Merriam Gerald W
03/09/2006	4	Statement of changes in beneficial ownership of securities	Robinson Donald T
03/09/2006	4	Statement of changes in beneficial ownership of securities	ALCORN GEORGE A
03/09/2006	4	Statement of changes in beneficial ownership of securities	Jacobs Terrence S
03/09/2006	4	Statement of changes in beneficial ownership of securities	SWOVELAND JEFFREY C
03/07/2006	8-K	Report of unscheduled material events or corporate changes.
02/22/2006	3	Initial statement of beneficial ownership of securities	Grecco David J
02/21/2006	8-K	Report of unscheduled material events or corporate changes.
02/17/2006	4	Statement of changes in beneficial ownership of securities	QUANTUM ENERGY PARTNERS II LP
02/17/2006	SC 13D/A	An amendment to a SC 13D filing	QUANTUM ENERGY PARTNERS II LP
02/17/2006	4	Statement of changes in beneficial ownership of securities	NEUGEBAUER TOBY R
01/30/2006	SC 13D	Filing by person(s) reporting owned shares of common stock in a public company >5%	QUANTUM ENERGY PARTNERS II LP
01/27/2006	SC 13D	Filing by person(s) reporting owned shares of common stock in a public company >5%	Linn Michael C
01/20/2006	4	Statement of changes in beneficial ownership of securities	Jacobs Terrence S
01/20/2006	4	Statement of changes in beneficial ownership of securities	Linn Michael C
01/20/2006	4	Statement of changes in beneficial ownership of securities	NEUGEBAUER TOBY R
01/20/2006	4	Statement of changes in beneficial ownership of securities	Merriam Gerald W
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