| 8-K | 
                Current report filing | 
                
                        
                                            
                                            
                                     | 
                
                    
                        March 08, 2005
                    
                    
                        3/8/2005
                    
                 | 
                
                        
                            March 02, 2005
                        
                        
                            3/2/2005
                        
                 | 
            
            
                | 8-K | 
                Current report filing | 
                
                        
                                            
                                                         | 
                
                    
                        March 02, 2005
                    
                    
                        3/2/2005
                    
                 | 
                
                        
                            March 01, 2005
                        
                        
                            3/1/2005
                        
                 | 
            
            
                | 8-K | 
                Current report filing | 
                
                        
                                            
                                            
                                     | 
                
                    
                        February 16, 2005
                    
                    
                        2/16/2005
                    
                 | 
                
                        
                            February 16, 2005
                        
                        
                            2/16/2005
                        
                 | 
            
            
                | 8-K | 
                Current report filing | 
                
                        
                                            
                                                         | 
                
                    
                        February 15, 2005
                    
                    
                        2/15/2005
                    
                 | 
                
                        
                            February 15, 2005
                        
                        
                            2/15/2005
                        
                 | 
            
            
                | SC 13G | 
                Statement of Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        February 09, 2005
                    
                    
                        2/9/2005
                    
                 | 
                
                 | 
            
            
                | SC 13G | 
                Statement of Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        February 09, 2005
                    
                    
                        2/9/2005
                    
                 | 
                
                 | 
            
            
                | SC 13G | 
                Statement of Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        February 09, 2005
                    
                    
                        2/9/2005
                    
                 | 
                
                 | 
            
            
                | 10-Q | 
                Quarterly Report | 
                
                        
                                            
                                            
                                     | 
                
                    
                        February 09, 2005
                    
                    
                        2/9/2005
                    
                 | 
                
                        
                            December 31, 2004
                        
                        
                            12/31/2004
                        
                 | 
            
            
                | 4 | 
                Statement of Changes in Beneficial Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        December 07, 2004
                    
                    
                        12/7/2004
                    
                 | 
                
                        
                            December 06, 2004
                        
                        
                            12/6/2004
                        
                 | 
            
            
                | 8-K | 
                Current report filing | 
                
                        
                                            
                                                         | 
                
                    
                        December 06, 2004
                    
                    
                        12/6/2004
                    
                 | 
                
                        
                            December 06, 2004
                        
                        
                            12/6/2004
                        
                 | 
            
            
                | 10-Q | 
                Quarterly Report | 
                
                        
                                            
                                            
                                     | 
                
                    
                        November 09, 2004
                    
                    
                        11/9/2004
                    
                 | 
                
                        
                            September 30, 2004
                        
                        
                            9/30/2004
                        
                 | 
            
            
                | 4 | 
                Statement of Changes in Beneficial Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        October 14, 2004
                    
                    
                        10/14/2004
                    
                 | 
                
                        
                            October 14, 2004
                        
                        
                            10/14/2004
                        
                 | 
            
            
                | 3 | 
                Initial Statement of Beneficial Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        September 27, 2004
                    
                    
                        9/27/2004
                    
                 | 
                
                        
                            September 15, 2004
                        
                        
                            9/15/2004
                        
                 | 
            
            
                | 3 | 
                Initial Statement of Beneficial Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        September 23, 2004
                    
                    
                        9/23/2004
                    
                 | 
                
                        
                            September 15, 2004
                        
                        
                            9/15/2004
                        
                 | 
            
            
                | DEFA14A | 
                Additional Proxy Soliciting Materials (definitive) | 
                
                        
                                            
                                                         | 
                
                    
                        September 08, 2004
                    
                    
                        9/8/2004
                    
                 | 
                
                 | 
            
            
                | ARS | 
                Annual Report to Security Holders | 
                
                        
                                            
                                                         | 
                
                    
                        September 01, 2004
                    
                    
                        9/1/2004
                    
                 | 
                
                        
                            March 31, 2004
                        
                        
                            3/31/2004
                        
                 | 
            
            
                | 3 | 
                Initial Statement of Beneficial Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        August 30, 2004
                    
                    
                        8/30/2004
                    
                 | 
                
                        
                            August 26, 2004
                        
                        
                            8/26/2004
                        
                 | 
            
            
                | 4 | 
                Statement of Changes in Beneficial Ownership | 
                
                        
                                            
                                            
                                     | 
                
                    
                        August 25, 2004
                    
                    
                        8/25/2004
                    
                 | 
                
                        
                            August 20, 2004
                        
                        
                            8/20/2004
                        
                 | 
            
            
                | DEF 14A | 
                Proxy Statement (definitive) | 
                
                        
                                            
                                            
                                     | 
                
                    
                        August 24, 2004
                    
                    
                        8/24/2004
                    
                 | 
                
                        
                            September 24, 2004
                        
                        
                            9/24/2004
                        
                 | 
            
            
                | 10-Q | 
                Quarterly Report | 
                
                        
                                            
                                            
                                     | 
                
                    
                        August 09, 2004
                    
                    
                        8/9/2004
                    
                 | 
                
                        
                            June 30, 2004
                        
                        
                            6/30/2004
                        
                 | 
            
            
                | 10-K | 
                Annual Report | 
                
                        
                                            
                                            
                                     | 
                
                    
                        June 18, 2004
                    
                    
                        6/18/2004
                    
                 | 
                
                        
                            March 31, 2004
                        
                        
                            3/31/2004
                        
                 | 
            
            
                | NT 10-K | 
                Notification that Annual Report will be submitted late | 
                
                        
                                            
                                                         | 
                
                    
                        June 15, 2004
                    
                    
                        6/15/2004
                    
                 | 
                
                        
                            March 31, 2004
                        
                        
                            3/31/2004
                        
                 | 
            
            
                | 8-K | 
                Current report filing | 
                
                        
                                            
                                            
                                     | 
                
                    
                        May 05, 2004
                    
                    
                        5/5/2004
                    
                 | 
                
                        
                            May 04, 2004
                        
                        
                            5/4/2004
                        
                 | 
            
            
                | 424B3 | 
                Prospectus filed pursuant to Rule 424(b)(3) | 
                
                        
                                            
                                            
                                     | 
                
                    
                        April 26, 2004
                    
                    
                        4/26/2004
                    
                 | 
                
                 | 
            
            
                | S-4/A | 
                Registration Statement for securities to be issued in business combination transactions | 
                
                        
                                            
                                            
                                     | 
                
                    
                        April 19, 2004
                    
                    
                        4/19/2004
                    
                 | 
                
                 |