| ZNOG 0001131312 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2019-04-24 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2019-04-18 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2019-04-18 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2019-04-17 | 8-K | CURRENT REPORT | View Document |
| 2019-03-08 | 10-K | ANNUAL REPORT | View Document |
| 2019-03-06 | 8-K | CURRENT REPORT | View Document |
| 2019-02-12 | 5 | PRIMARY DOCUMENT | View Document |
| 2019-01-25 | 4 | PRIMARY DOCUMENT | View Document |
| 2019-01-14 | 8-K | CURRENT REPORT | View Document |
| 2019-01-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-12-07 | 8-K | CURRENT REPORT | View Document |
| 2018-12-07 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2018-12-04 | 8-K | CURRENT REPORT | View Document |
| 2018-11-29 | 8-K | CURRENT REPORT | View Document |
| 2018-11-20 | 8-K | CURRENT REPORT | View Document |
| 2018-11-08 | 10-Q | QUARTERLY REPORT | View Document |
| 2018-10-12 | 8-K | CURRENT REPORT | View Document |
| 2018-10-10 | 8-K | CURRENT REPORT | View Document |
| 2018-09-27 | 8-K | CURRENT REPORT | View Document |
| 2018-09-07 | 8-K | CURRENT REPORT | View Document |
| 2018-09-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-09-05 | 3 | PRIMARY DOCUMENT | View Document |
| 2018-08-22 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2018-08-21 | 8-K | CURRENT REPORT | View Document |
| 2018-08-17 | 8-K | CURRENT REPORT | View Document |
| 2018-08-15 | 8-K | CURRENT REPORT | View Document |
| 2018-08-08 | 10-Q | QUARTERLY REPORT | View Document |
| 2018-07-19 | 3 | PRIMARY DOCUMENT | View Document |
| 2018-07-11 | 8-K | CURRENT REPORT | View Document |
| 2018-07-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-07-09 | 5 | PRIMARY DOCUMENT | View Document |
| 2018-07-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-06-11 | 8-K | CURRENT REPORT | View Document |
| 2018-06-06 | 8-K | CURRENT REPORT | View Document |
| 2018-05-08 | 10-Q | QUARTERLY REPORT | View Document |
| 2018-04-17 | 3 | PRIMARY DOCUMENT | View Document |
| 2018-04-16 | 8-K | CURRENT REPORT | View Document |
| 2018-04-13 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2018-04-13 | DEF 14A | DEFINITIVE PROXY STATEMENT | View Document |
| 2018-04-10 | 8-K | CURRENT REPORT | View Document |
| 2018-04-03 | 424B5 | AMENDMENT NO. 1 TO SUPPLEMENT PROSPECTUS | View Document |
| 2018-04-02 | 8-K | CURRENT REPORT | View Document |
| 2018-04-02 | 424B5 | PROSPECTUS SUPPLEMENT | View Document |
| 2018-03-28 | 8-K | CURRENT REPORT | View Document |
| 2018-03-12 | 10-K | ANNUAL REPORT | View Document |
| 2018-03-01 | 8-K | CURRENT REPORT | View Document |
| 2018-02-26 | 8-K | CURRENT REPORT | View Document |
| 2018-02-13 | 8-K | CURRENT REPORT | View Document |
| 2018-01-31 | 424B5 | AMENDMENT NO. 3 TO PROSPECTUS SUPPLEMENT | View Document |
| 2018-01-31 | 8-K | CURRENT REPORT | View Document |
| 2018-01-22 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-19 | 8-K | CURRENT REPORT | View Document |
| 2018-01-17 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-12 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-09 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-08 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-05 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2018-01-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-12-21 | 8-K | CURRENT REPORT | View Document |
| 2017-11-21 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-11-09 | 10-Q | QUARTERLY REPORT | View Document |
| 2017-10-16 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-10-12 | 424B5 | AMENDMENT NO. 2 TO PROSPECTUS SUPPLEMENT | View Document |
| 2017-10-12 | 8-K | CURRENT REPORT | View Document |
| 2017-08-11 | 10-Q | QUARTERLY REPORT | View Document |
| 2017-08-10 | 8-K | CURRENT REPORT | View Document |
| 2017-08-02 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-08-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-07-24 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-28 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-27 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-27 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-27 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-27 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-27 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-27 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-27 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-27 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-06-08 | S-8 | REGISTRATION STATEMENT | View Document |
| 2017-06-08 | 8-K | CURRENT REPORT | View Document |
| 2017-05-24 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-22 | 424B5 | AMENDMENT NO. 1 TO PROSPECTUS SUPPLEMENT | View Document |
| 2017-05-22 | 8-K | CURRENT REPORT | View Document |
| 2017-05-11 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-09 | 10-Q | QUARTERLY REPORT | View Document |
| 2017-05-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-05-01 | 3 | PRIMARY DOCUMENT | View Document |
| 2017-04-26 | 8-K | CURRENT REPORT | View Document |
| 2017-04-24 | DEFR14A | REVISED PROXY STATMENT | View Document |
| 2017-04-20 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-04-14 | DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | View Document |
| 2017-04-14 | DEF 14A | PROXY STATEMENT | View Document |
