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| 0001564590-18-010302-index.html | 2018-05-02 16:11:43 | |
| 0001564590-18-010302.txt | 2018-05-02 16:11:43 | |
 0001564590-18-010302-xbrl.zip | 119408 | 2018-05-02 16:11:43 |
| FilingSummary.xml | 36685 | 2018-05-02 16:11:43 |
| Financial_Report.xlsx | 61897 | 2018-05-02 16:11:43 |
| inst-10q_20180331.htm | 2071236 | 2018-05-02 16:11:43 |
| inst-20180331.xml | 1806191 | 2018-05-02 16:11:43 |
| inst-20180331.xsd | 44656 | 2018-05-02 16:11:43 |
| inst-20180331_cal.xml | 50001 | 2018-05-02 16:11:43 |
| inst-20180331_def.xml | 124891 | 2018-05-02 16:11:43 |
| inst-20180331_lab.xml | 333937 | 2018-05-02 16:11:43 |
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| report.css | 2767 | 2018-05-02 16:11:43 |
| Show.js | 1410 | 2018-05-02 16:11:43 |