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| 0000744825-20-000024.txt | 2020-04-03 16:49:00 | |
 0000744825-20-000024-xbrl.zip | 338789 | 2020-04-03 16:49:00 |
| ams-20191231.htm | 3022580 | 2020-04-03 16:49:00 |
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| ams-20191231xex311.htm | 8763 | 2020-04-03 16:49:00 |
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| ams-20191231xex321.htm | 7183 | 2020-04-03 16:49:00 |
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| Financial_Report.xlsx | 86932 | 2020-04-03 16:49:00 |
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| report.css | 2767 | 2020-04-03 16:49:00 |
| Show.js | 1085 | 2020-04-03 16:49:00 |