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| 0000779544-20-000032-index.html | 2020-06-23 16:38:45 | |
| 0000779544-20-000032.txt | 2020-06-23 16:38:45 | |
 0000779544-20-000032-xbrl.zip | 185089 | 2020-06-23 16:38:45 |
| a3-28x2010xq.htm | 1051337 | 2020-06-23 16:38:45 |
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| ark-2020328xex32.htm | 6873 | 2020-06-23 16:38:45 |
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| arkr-20200328.xsd | 53966 | 2020-06-23 16:38:45 |
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| report.css | 2767 | 2020-06-23 16:38:45 |
| Show.js | 1085 | 2020-06-23 16:38:45 |