Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-002859-index-headers.html | 2020-02-18 09:48:40 | |
| 0001437749-20-002859-index.html | 2020-02-18 09:48:40 | |
| 0001437749-20-002859.txt | 2020-02-18 09:48:40 | |
 0001437749-20-002859-xbrl.zip | 44262 | 2020-02-18 09:48:40 |
 a1.jpg | 10561 | 2020-02-18 09:48:40 |
| ex_172947.htm | 613230 | 2020-02-18 09:48:40 |
| FilingSummary.xml | 1770 | 2020-02-18 09:48:40 |
| Financial_Report.xlsx | 5822 | 2020-02-18 09:48:40 |
| MetaLinks.json | 19943 | 2020-02-18 09:48:40 |
| ottr-20200217.xsd | 3888 | 2020-02-18 09:48:40 |
| ottr-20200217_def.xml | 11976 | 2020-02-18 09:48:40 |
| ottr-20200217_lab.xml | 16021 | 2020-02-18 09:48:40 |
| ottr-20200217_pre.xml | 12185 | 2020-02-18 09:48:40 |
| ottr20200217_8k.htm | 25100 | 2020-02-18 09:48:40 |
| ottr20200217_8k_htm.xml | 2669 | 2020-02-18 09:48:40 |
| R1.htm | 40422 | 2020-02-18 09:48:40 |
| report.css | 2767 | 2020-02-18 09:48:40 |
| Show.js | 1085 | 2020-02-18 09:48:40 |