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| 0001564590-23-007103.txt | 2023-05-09 16:01:00 | |
 0001564590-23-007103-xbrl.zip | 97309 | 2023-05-09 16:01:00 |
| acu-10q_20230331.htm | 1376457 | 2023-05-09 16:01:00 |
| acu-10q_20230331_htm.xml | 939603 | 2023-05-09 16:01:00 |
| acu-20230331.xsd | 34842 | 2023-05-09 16:01:00 |
| acu-20230331_cal.xml | 59116 | 2023-05-09 16:01:00 |
| acu-20230331_def.xml | 52958 | 2023-05-09 16:01:00 |
| acu-20230331_lab.xml | 254514 | 2023-05-09 16:01:00 |
| acu-20230331_pre.xml | 183683 | 2023-05-09 16:01:00 |
| acu-ex311_9.htm | 12807 | 2023-05-09 16:01:00 |
| acu-ex312_8.htm | 12815 | 2023-05-09 16:01:00 |
| acu-ex321_10.htm | 6779 | 2023-05-09 16:01:00 |
| acu-ex322_7.htm | 6780 | 2023-05-09 16:01:00 |
| FilingSummary.xml | 27715 | 2023-05-09 16:01:00 |
| Financial_Report.xlsx | 53144 | 2023-05-09 16:01:00 |
| MetaLinks.json | 474816 | 2023-05-09 16:01:00 |
| R1.htm | 51533 | 2023-05-09 16:01:00 |
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| R9.htm | 5875 | 2023-05-09 16:01:00 |
| report.css | 2767 | 2023-05-09 16:01:00 |
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