short interest afgenomen :
Mar. 15, 2007 345,199 471,595 1.00
Feb. 15, 2007 413,291 436,523 1.00
Jan. 12, 2007 365,974 376,952 1.00
Dec. 15, 2006 594,699 443,843 1.34
Nov. 15, 2006 636,469 274,887 2.32
Oct. 13, 2006 664,167 277,663 2.39
Sep. 15, 2006 686,492 219,699 3.12