Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001026608-14-000011-index-headers.html | 2014-03-06 17:15:41 | |
| 0001026608-14-000011-index.html | 2014-03-06 17:15:41 | |
| 0001026608-14-000011.txt | 2014-03-06 17:15:41 | |
 0001026608-14-000011-xbrl.zip | 116475 | 2014-03-06 17:15:41 |
| acu-20131231.xml | 939713 | 2014-03-06 17:15:41 |
| acu-20131231.xsd | 43673 | 2014-03-06 17:15:41 |
| acu-20131231_cal.xml | 82927 | 2014-03-06 17:15:41 |
| acu-20131231_def.xml | 116164 | 2014-03-06 17:15:41 |
| acu-20131231_lab.xml | 379974 | 2014-03-06 17:15:41 |
| acu-20131231_pre.xml | 300431 | 2014-03-06 17:15:41 |
| acu_10k123113.htm | 767993 | 2014-03-06 17:15:41 |
| acu_10k123113ex1010c.htm | 16158 | 2014-03-06 17:15:41 |
| acu_10k123113ex21.htm | 3499 | 2014-03-06 17:15:41 |
| acu_10k123113ex231.htm | 2641 | 2014-03-06 17:15:41 |
| acu_10k123113ex311.htm | 4704 | 2014-03-06 17:15:41 |
| acu_10k123113ex312.htm | 4923 | 2014-03-06 17:15:41 |
| acu_10k123113ex321.htm | 8217 | 2014-03-06 17:15:41 |
| acu_10k123113ex322.htm | 7876 | 2014-03-06 17:15:41 |
 acu_5yearchart.jpg | 44462 | 2014-03-06 17:15:41 |
| FilingSummary.xml | 35149 | 2014-03-06 17:15:41 |
| Financial_Report.xls | 831739 | 2014-03-06 17:15:41 |
| Financial_Report.xlsx | 157583 | 2014-03-06 17:15:41 |
| R1.htm | 37259 | 2014-03-06 17:15:41 |
| R10.htm | 12612 | 2014-03-06 17:15:41 |
| R11.htm | 14907 | 2014-03-06 17:15:41 |
| R12.htm | 11991 | 2014-03-06 17:15:41 |
| R13.htm | 96812 | 2014-03-06 17:15:41 |
| R14.htm | 53075 | 2014-03-06 17:15:41 |
| R15.htm | 8377 | 2014-03-06 17:15:41 |
| R16.htm | 8704 | 2014-03-06 17:15:41 |
| R17.htm | 48373 | 2014-03-06 17:15:41 |
| R18.htm | 59266 | 2014-03-06 17:15:41 |
| R19.htm | 16605 | 2014-03-06 17:15:41 |
| R2.htm | 64140 | 2014-03-06 17:15:41 |
| R20.htm | 22007 | 2014-03-06 17:15:41 |
| R21.htm | 12801 | 2014-03-06 17:15:41 |
| R22.htm | 40385 | 2014-03-06 17:15:41 |
| R23.htm | 10173 | 2014-03-06 17:15:41 |
| R24.htm | 15601 | 2014-03-06 17:15:41 |
| R25.htm | 97073 | 2014-03-06 17:15:41 |
| R26.htm | 10243 | 2014-03-06 17:15:41 |
| R27.htm | 12869 | 2014-03-06 17:15:41 |
| R28.htm | 10727 | 2014-03-06 17:15:41 |
| R29.htm | 82917 | 2014-03-06 17:15:41 |
| R3.htm | 35399 | 2014-03-06 17:15:41 |
| R30.htm | 53225 | 2014-03-06 17:15:41 |
| R31.htm | 49169 | 2014-03-06 17:15:41 |
| R32.htm | 54087 | 2014-03-06 17:15:41 |
| R33.htm | 14263 | 2014-03-06 17:15:41 |
| R34.htm | 19253 | 2014-03-06 17:15:41 |
| R35.htm | 37463 | 2014-03-06 17:15:41 |
| R36.htm | 7549 | 2014-03-06 17:15:41 |
| R37.htm | 7564 | 2014-03-06 17:15:41 |
| R38.htm | 34257 | 2014-03-06 17:15:41 |
| R39.htm | 16603 | 2014-03-06 17:15:41 |
| R4.htm | 123723 | 2014-03-06 17:15:41 |
| R40.htm | 6356 | 2014-03-06 17:15:41 |
| R41.htm | 22222 | 2014-03-06 17:15:41 |
| R42.htm | 20690 | 2014-03-06 17:15:41 |
| R43.htm | 21707 | 2014-03-06 17:15:41 |
| R44.htm | 6482 | 2014-03-06 17:15:41 |
| R45.htm | 13404 | 2014-03-06 17:15:41 |
| R46.htm | 31583 | 2014-03-06 17:15:41 |
| R47.htm | 26873 | 2014-03-06 17:15:41 |
| R48.htm | 35418 | 2014-03-06 17:15:41 |
| R49.htm | 31072 | 2014-03-06 17:15:41 |
| R5.htm | 14814 | 2014-03-06 17:15:41 |
| R50.htm | 18447 | 2014-03-06 17:15:41 |
| R51.htm | 40111 | 2014-03-06 17:15:41 |
| R52.htm | 48640 | 2014-03-06 17:15:41 |
| R53.htm | 11945 | 2014-03-06 17:15:41 |
| R54.htm | 25130 | 2014-03-06 17:15:41 |
| R55.htm | 43688 | 2014-03-06 17:15:41 |
| R56.htm | 12776 | 2014-03-06 17:15:41 |
| R57.htm | 24126 | 2014-03-06 17:15:41 |
| R58.htm | 17534 | 2014-03-06 17:15:41 |
| R59.htm | 32589 | 2014-03-06 17:15:41 |
| R6.htm | 54943 | 2014-03-06 17:15:41 |
| R60.htm | 24925 | 2014-03-06 17:15:41 |
| R61.htm | 20508 | 2014-03-06 17:15:41 |
| R62.htm | 5079 | 2014-03-06 17:15:41 |
| R63.htm | 38229 | 2014-03-06 17:15:41 |
| R64.htm | 33618 | 2014-03-06 17:15:41 |
| R65.htm | 20447 | 2014-03-06 17:15:41 |
| R66.htm | 42670 | 2014-03-06 17:15:41 |
| R67.htm | 38440 | 2014-03-06 17:15:41 |
| R68.htm | 8571 | 2014-03-06 17:15:41 |
| R69.htm | 17319 | 2014-03-06 17:15:41 |
| R7.htm | 114595 | 2014-03-06 17:15:41 |
| R70.htm | 33251 | 2014-03-06 17:15:41 |
| R71.htm | 35165 | 2014-03-06 17:15:41 |
| R72.htm | 9946 | 2014-03-06 17:15:41 |
| R73.htm | 20350 | 2014-03-06 17:15:41 |
| R74.htm | 10631 | 2014-03-06 17:15:41 |
| R8.htm | 7130 | 2014-03-06 17:15:41 |
| R9.htm | 16462 | 2014-03-06 17:15:41 |
| report.css | 2740 | 2014-03-06 17:15:41 |
| Show.js | 1410 | 2014-03-06 17:15:41 |