Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001029744-17-000085-index-headers.html | 2017-08-10 16:06:44 | |
| 0001029744-17-000085-index.html | 2017-08-10 16:06:44 | |
| 0001029744-17-000085.txt | 2017-08-10 16:06:44 | |
 0001029744-17-000085-xbrl.zip | 146617 | 2017-08-10 16:06:44 |
| FilingSummary.xml | 21943 | 2017-08-10 16:06:44 |
| Financial_Report.xlsx | 54806 | 2017-08-10 16:06:44 |
| R1.htm | 21938 | 2017-08-10 16:06:44 |
| R10.htm | 37505 | 2017-08-10 16:06:44 |
| R11.htm | 7044 | 2017-08-10 16:06:44 |
| R12.htm | 12042 | 2017-08-10 16:06:44 |
| R13.htm | 57532 | 2017-08-10 16:06:44 |
| R14.htm | 126805 | 2017-08-10 16:06:44 |
| R15.htm | 8601 | 2017-08-10 16:06:44 |
| R16.htm | 17057 | 2017-08-10 16:06:44 |
| R17.htm | 8806 | 2017-08-10 16:06:44 |
| R18.htm | 35022 | 2017-08-10 16:06:44 |
| R19.htm | 14405 | 2017-08-10 16:06:44 |
| R2.htm | 122269 | 2017-08-10 16:06:44 |
| R20.htm | 15244 | 2017-08-10 16:06:44 |
| R21.htm | 21246 | 2017-08-10 16:06:44 |
| R22.htm | 38342 | 2017-08-10 16:06:44 |
| R23.htm | 25339 | 2017-08-10 16:06:44 |
| R24.htm | 21285 | 2017-08-10 16:06:44 |
| R25.htm | 13864 | 2017-08-10 16:06:44 |
| R26.htm | 9725 | 2017-08-10 16:06:44 |
| R27.htm | 15067 | 2017-08-10 16:06:44 |
| R28.htm | 66754 | 2017-08-10 16:06:44 |
| R29.htm | 97017 | 2017-08-10 16:06:44 |
| R3.htm | 37537 | 2017-08-10 16:06:44 |
| R30.htm | 19639 | 2017-08-10 16:06:44 |
| R31.htm | 6678 | 2017-08-10 16:06:44 |
| R32.htm | 7478 | 2017-08-10 16:06:44 |
| R4.htm | 65453 | 2017-08-10 16:06:44 |
| R5.htm | 12221 | 2017-08-10 16:06:44 |
| R6.htm | 93013 | 2017-08-10 16:06:44 |
| R7.htm | 153498 | 2017-08-10 16:06:44 |
| R8.htm | 9523 | 2017-08-10 16:06:44 |
| R9.htm | 9146 | 2017-08-10 16:06:44 |
| report.css | 2767 | 2017-08-10 16:06:44 |
| Show.js | 1410 | 2017-08-10 16:06:44 |
| sofo-063017x10q.htm | 658046 | 2017-08-10 16:06:44 |
| sofo-20170630.xml | 564480 | 2017-08-10 16:06:44 |
| sofo-20170630.xsd | 37647 | 2017-08-10 16:06:44 |
| sofo-20170630_cal.xml | 65911 | 2017-08-10 16:06:44 |
| sofo-20170630_def.xml | 178242 | 2017-08-10 16:06:44 |
| sofo-20170630_lab.xml | 513524 | 2017-08-10 16:06:44 |
| sofo-20170630_pre.xml | 292832 | 2017-08-10 16:06:44 |
| sofo63017exhibit311.htm | 12725 | 2017-08-10 16:06:44 |
| sofo63017exhibit312.htm | 12548 | 2017-08-10 16:06:44 |
| sofo63017exhibit32.htm | 10261 | 2017-08-10 16:06:44 |