Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000915358-17-000021-index-headers.html | 2017-12-12 12:37:32 | |
| 0000915358-17-000021-index.html | 2017-12-12 12:37:32 | |
| 0000915358-17-000021.txt | 2017-12-12 12:37:32 | |
 0000915358-17-000021-xbrl.zip | 91297 | 2017-12-12 12:37:32 |
| FilingSummary.xml | 17378 | 2017-12-12 12:37:32 |
| Financial_Report.xlsx | 44783 | 2017-12-12 12:37:32 |
| R1.htm | 21958 | 2017-12-12 12:37:32 |
| R10.htm | 122952 | 2017-12-12 12:37:32 |
| R11.htm | 5963 | 2017-12-12 12:37:32 |
| R12.htm | 39123 | 2017-12-12 12:37:32 |
| R13.htm | 16475 | 2017-12-12 12:37:32 |
| R14.htm | 60262 | 2017-12-12 12:37:32 |
| R15.htm | 27897 | 2017-12-12 12:37:32 |
| R16.htm | 60877 | 2017-12-12 12:37:32 |
| R17.htm | 114753 | 2017-12-12 12:37:32 |
| R18.htm | 15552 | 2017-12-12 12:37:32 |
| R19.htm | 37729 | 2017-12-12 12:37:32 |
| R2.htm | 99861 | 2017-12-12 12:37:32 |
| R20.htm | 19969 | 2017-12-12 12:37:32 |
| R21.htm | 188511 | 2017-12-12 12:37:32 |
| R22.htm | 30624 | 2017-12-12 12:37:32 |
| R23.htm | 28862 | 2017-12-12 12:37:32 |
| R24.htm | 17570 | 2017-12-12 12:37:32 |
| R25.htm | 25806 | 2017-12-12 12:37:32 |
| R26.htm | 61975 | 2017-12-12 12:37:32 |
| R3.htm | 23355 | 2017-12-12 12:37:32 |
| R4.htm | 37352 | 2017-12-12 12:37:32 |
| R5.htm | 93361 | 2017-12-12 12:37:32 |
| R6.htm | 7924 | 2017-12-12 12:37:32 |
| R7.htm | 27780 | 2017-12-12 12:37:32 |
| R8.htm | 72618 | 2017-12-12 12:37:32 |
| R9.htm | 35442 | 2017-12-12 12:37:32 |
| report.css | 2767 | 2017-12-12 12:37:32 |
| sgma-20171031.xml | 756624 | 2017-12-12 12:37:32 |
| sgma-20171031.xsd | 27686 | 2017-12-12 12:37:32 |
| sgma-20171031x10q.htm | 1053089 | 2017-12-12 12:37:32 |
| sgma-20171031xex10_1.htm | 37154 | 2017-12-12 12:37:32 |
 sgma-20171031xex10_1g001.jpg | 8901 | 2017-12-12 12:37:32 |
| sgma-20171031xex10_2.htm | 42643 | 2017-12-12 12:37:32 |
 sgma-20171031xex10_2g001.jpg | 8901 | 2017-12-12 12:37:32 |
| sgma-20171031xex10_3.htm | 138785 | 2017-12-12 12:37:32 |
| sgma-20171031xex31_1.htm | 22292 | 2017-12-12 12:37:32 |
| sgma-20171031xex31_2.htm | 22777 | 2017-12-12 12:37:32 |
| sgma-20171031xex32_1.htm | 15586 | 2017-12-12 12:37:32 |
| sgma-20171031xex32_2.htm | 15590 | 2017-12-12 12:37:32 |
| sgma-20171031_cal.xml | 51893 | 2017-12-12 12:37:32 |
| sgma-20171031_def.xml | 86617 | 2017-12-12 12:37:32 |
| sgma-20171031_lab.xml | 272598 | 2017-12-12 12:37:32 |
| sgma-20171031_pre.xml | 202923 | 2017-12-12 12:37:32 |
| Show.js | 1410 | 2017-12-12 12:37:32 |