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| 0001481832-22-000021-index.html | 2022-02-28 17:21:23 | |
| 0001481832-22-000021.txt | 2022-02-28 17:21:23 | |
 0001481832-22-000021-xbrl.zip | 988686 | 2022-02-28 17:21:23 |
| apts-20211231.htm | 6708002 | 2022-02-28 17:21:23 |
| apts-20211231.xsd | 180874 | 2022-02-28 17:21:23 |
| apts-20211231_cal.xml | 89550 | 2022-02-28 17:21:23 |
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| apts-20211231_htm.xml | 5617150 | 2022-02-28 17:21:23 |
| apts-20211231_lab.xml | 1614692 | 2022-02-28 17:21:23 |
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| consentex2314q21.htm | 2294 | 2022-02-28 17:21:23 |
| exhibit214q21.htm | 73147 | 2022-02-28 17:21:23 |
| exhibit311apts12312021.htm | 9170 | 2022-02-28 17:21:23 |
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| exhibit322apts12312021.htm | 5467 | 2022-02-28 17:21:23 |
| FilingSummary.xml | 55502 | 2022-02-28 17:21:23 |
| Financial_Report.xlsx | 232376 | 2022-02-28 17:21:23 |
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| report.css | 2768 | 2022-02-28 17:21:23 |
| Show.js | 1086 | 2022-02-28 17:21:23 |