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| 0001437749-18-009776-index.html | 2018-05-14 16:29:03 | |
| 0001437749-18-009776.txt | 2018-05-14 16:29:03 | |
 0001437749-18-009776-xbrl.zip | 112989 | 2018-05-14 16:29:03 |
| ex_111244.htm | 10845 | 2018-05-14 16:29:03 |
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| ex_113034.htm | 8804 | 2018-05-14 16:29:03 |
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| ex_113036.htm | 5647 | 2018-05-14 16:29:03 |
| FilingSummary.xml | 25174 | 2018-05-14 16:29:03 |
| Financial_Report.xlsx | 45044 | 2018-05-14 16:29:03 |
| naii-20180331.xml | 1118263 | 2018-05-14 16:29:03 |
| naii-20180331.xsd | 39197 | 2018-05-14 16:29:03 |
| naii-20180331_cal.xml | 38555 | 2018-05-14 16:29:03 |
| naii-20180331_def.xml | 314530 | 2018-05-14 16:29:03 |
| naii-20180331_lab.xml | 260960 | 2018-05-14 16:29:03 |
| naii-20180331_pre.xml | 326393 | 2018-05-14 16:29:03 |
| naii20180331_10q.htm | 838858 | 2018-05-14 16:29:03 |
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| report.css | 2767 | 2018-05-14 16:29:03 |
| Show.js | 1410 | 2018-05-14 16:29:03 |