| 2014-05-06 |
10-Q |
10-Q |
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| 2014-04-25 |
8-K |
8-K |
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| 2014-04-23 |
DEFA14A |
DEFA14A |
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| 2014-04-22 |
DEF 14A |
DEF 14A |
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| 2014-03-26 |
8-K |
8-K |
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| 2014-03-24 |
4 |
FORM 4 SUBMISSION |
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| 2014-03-24 |
4 |
FORM 4 SUBMISSION |
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| 2014-03-24 |
4 |
FORM 4 SUBMISSION |
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| 2014-03-24 |
4 |
FORM 4 SUBMISSION |
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| 2014-03-24 |
4 |
FORM 4 SUBMISSION |
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| 2014-03-24 |
4 |
FORM 4 SUBMISSION |
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| 2014-03-14 |
8-K |
8-K |
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| 2014-03-14 |
10-K |
10-K |
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| 2014-02-13 |
SC 13G/A |
NONE |
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| 2014-02-10 |
SC 13G/A |
SCHEDULE 13G/A |
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| 2014-01-30 |
SC 13G/A |
|
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| 2014-01-29 |
8-K |
8-K |
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| 2014-01-28 |
SC 13G/A |
|
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| 2014-01-27 |
4 |
FORM 4 SUBMISSION |
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| 2014-01-21 |
5 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-12-09 |
4 |
FORM 4 SUBMISSION |
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| 2013-11-08 |
8-K |
8-K |
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| 2013-11-08 |
10-Q |
10-Q |
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| 2013-10-25 |
8-K |
8-K |
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| 2013-09-05 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-08-09 |
8-K |
8-K |
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| 2013-08-09 |
10-Q |
10-Q |
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| 2013-06-18 |
8-K |
8-K |
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| 2013-05-16 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-05-14 |
8-K |
8-K |
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| 2013-05-10 |
10-Q |
10-Q |
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| 2013-05-07 |
8-K |
8-K |
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| 2013-05-02 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-05-01 |
DEFA14A |
DEFA14A |
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| 2013-04-29 |
DEF 14A |
DEF 14A |
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| 2013-03-26 |
8-K |
8-K |
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| 2013-03-25 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-03-25 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-03-25 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-03-25 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-03-25 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-03-25 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-03-20 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-03-15 |
10-K |
10-K |
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| 2013-03-14 |
8-K |
8-K |
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| 2013-02-15 |
EFFECT |
|
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| 2013-02-14 |
8-K |
8-K |
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| 2013-02-13 |
SC 13G/A |
NONE |
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| 2013-02-12 |
CORRESP |
|
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| 2013-02-11 |
SC 13G/A |
SCHEDULE 13G/A |
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| 2013-02-07 |
SC 13G/A |
|
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| 2013-02-05 |
SC 13G/A |
|
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| 2013-01-28 |
S-3/A |
AMENDMENT NO. 1 TO FORM S-3 |
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| 2013-01-17 |
SC 13G |
|
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| 2013-01-15 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2013-01-03 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-12-18 |
8-K |
8-K |
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| 2012-12-14 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-12-14 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-12-04 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-11-19 |
UPLOAD |
|
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| 2012-11-09 |
8-K |
8-K Q3 2012 |
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| 2012-11-09 |
10-Q |
10-Q |
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| 2012-10-31 |
S-3 |
FORM S-3 |
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| 2012-10-11 |
8-K |
8-K OCT 2012 LAWRENCE COMP INCREASE |
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| 2012-08-08 |
10-Q |
2012 6.30 10-Q |
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| 2012-08-07 |
8-K |
Q2 2012 EARNINGS 8-K |
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| 2012-06-15 |
8-K |
|
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| 2012-05-22 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-05-10 |
8-K |
FORM 8-K |
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| 2012-05-10 |
10-Q |
|
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| 2012-04-30 |
DEFA14A |
DEFA14A |
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| 2012-04-27 |
DEF 14A |
NGSG 2011 PROXY |
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| 2012-03-30 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-03-30 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-03-30 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-03-30 |
4 |
MAIN DOCUMENT DESCRIPTION |
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| 2012-03-30 |
4 |
OWNERSHIP DOCUMENT |
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| 2012-03-14 |
10-K |
NGSG 2011 FORM 10-K |
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| 2012-03-08 |
8-K |
NGSG 4TH QUARTER EARNINGS RELEASE 2011 |
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| 2012-02-14 |
SC 13G/A |
NONE |
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| 2012-02-14 |
SC 13G/A |
SCHEDULE 13G/A |
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| 2012-02-13 |
SC 13G/A |
|
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| 2012-02-07 |
SC 13G/A |
|
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| 2012-02-02 |
4/A |
MAIN DOCUMENT DESCRIPTION |
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| 2012-02-02 |
4/A |
MAIN DOCUMENT DESCRIPTION |
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| 2012-01-31 |
8-K |
8-K 2012 COMPENSATION |
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| 2012-01-27 |
4 |
MAIN DOCUMENT DESCRIPTION |
View Document |
| 2012-01-27 |
4 |
MAIN DOCUMENT DESCRIPTION |
View Document |
| 2012-01-27 |
4 |
MAIN DOCUMENT DESCRIPTION |
View Document |
| 2012-01-09 |
8-K |
NGS FORM 8-K |
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| 2011-12-20 |
3 |
MAIN DOCUMENT DESCRIPTION |
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| 2011-12-20 |
8-K |
NGS FORM 8K - DIRECTOR APPOINTMENT |
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| 2011-11-14 |
8-K |
NGS FORM 8-K |
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| 2011-11-09 |
10-Q |
NGS FORM 10-Q 9.30.11 |
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| 2011-09-06 |
8-K |
NGS FORM 8-K |
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| 2011-08-25 |
4 |
MAIN DOCUMENT DESCRIPTION |
View Document |
| 2011-08-09 |
10-Q |
NGS FORM 10-Q 06.30.11 |
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| 2011-08-08 |
8-K/A |
NGS AMENDED FORM 8-K |
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| 2011-08-05 |
8-K |
NGS FORM 8-K |
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