$DZSI SEC Filings

Filing Filed On
FORM 10-Q 15 May 2018
10-Q 15 Nov 2017
10-Q 28 Sep 2017
10-Q 28 Sep 2017
FORM 10-Q THIRD QUARTER 14 Nov 2016
FORM 10-Q SECOND QUARTER 09 Aug 2016
FORM 10-Q 06 May 2016
10-Q THIRD QUARTER 9.30.15 05 Nov 2015
10-Q 07 Aug 2015
10-Q FIRST QUARTER 3.31.2015 08 May 2015
10-Q 06 Nov 2014
10-Q 08 Aug 2014
10-Q 14 May 2014
10-Q 08 Nov 2013
FORM 10-Q 09 Aug 2013
FORM 10-Q 03 May 2013
FORM 10-Q 14 Nov 2012
FORM 10-Q 09 Aug 2012
FORM 10-Q 10 May 2012
FORM 10-Q 03 Nov 2011