| Filed On | Filing |
|---|---|
| 11 Feb 2022 | NONE |
| 25 Jan 2021 | SC 13G |
| 17 Jan 2020 | CONESTOGA CAPITAL ADVISORS |
| 09 Feb 2012 | SC 13G |
| 11 Feb 2011 | SC 13G |
| 02 Feb 2011 | SC 13G |
| 11 Feb 2010 | SC 13G |
| 29 Jan 2010 | SC 13G |
| 11 Jun 2009 | SCHEDULE 13G |
| 17 Feb 2009 | SC 13G |
| 05 Feb 2009 | SC 13G |
| 13 Feb 2008 | SCHEDULE 13G |
| 05 Feb 2008 | SC 13G |
| 15 Feb 2007 | SC 13G |
| 14 Feb 2007 | SCHEDULE 13G |
| 09 Feb 2006 | SC 13G |
| 05 May 2005 | SC 13G |
| 08 Sep 2003 | SC 13G |
| 14 Feb 2003 | SC 13G |
| 16 Jan 2002 | SCHEDULE 13G |
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