Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-020709-index-headers.html | 2022-11-01 08:30:51 | |
| 0000950170-22-020709-index.html | 2022-11-01 08:30:51 | |
| 0000950170-22-020709.txt | 2022-11-01 08:30:51 | |
 0000950170-22-020709-xbrl.zip | 175854 | 2022-11-01 08:30:51 |
| alrn-20220930.htm | 2096261 | 2022-11-01 08:30:51 |
| alrn-20220930.xsd | 36152 | 2022-11-01 08:30:51 |
| alrn-20220930_cal.xml | 34667 | 2022-11-01 08:30:51 |
| alrn-20220930_def.xml | 131506 | 2022-11-01 08:30:51 |
| alrn-20220930_htm.xml | 1342927 | 2022-11-01 08:30:51 |
| alrn-20220930_lab.xml | 367714 | 2022-11-01 08:30:51 |
| alrn-20220930_pre.xml | 256818 | 2022-11-01 08:30:51 |
| alrn-ex31_1.htm | 17810 | 2022-11-01 08:30:51 |
| alrn-ex31_2.htm | 17257 | 2022-11-01 08:30:51 |
| alrn-ex32_1.htm | 11219 | 2022-11-01 08:30:51 |
| alrn-ex32_2.htm | 9514 | 2022-11-01 08:30:51 |
| FilingSummary.xml | 28237 | 2022-11-01 08:30:51 |
| Financial_Report.xlsx | 70997 | 2022-11-01 08:30:51 |
| MetaLinks.json | 525896 | 2022-11-01 08:30:51 |
| R1.htm | 54920 | 2022-11-01 08:30:51 |
| R10.htm | 129008 | 2022-11-01 08:30:51 |
| R11.htm | 101494 | 2022-11-01 08:30:51 |
| R12.htm | 27144 | 2022-11-01 08:30:51 |
| R13.htm | 30213 | 2022-11-01 08:30:51 |
| R14.htm | 9906 | 2022-11-01 08:30:51 |
| R15.htm | 9155 | 2022-11-01 08:30:51 |
| R16.htm | 36038 | 2022-11-01 08:30:51 |
| R17.htm | 186402 | 2022-11-01 08:30:51 |
| R18.htm | 28949 | 2022-11-01 08:30:51 |
| R19.htm | 27922 | 2022-11-01 08:30:51 |
| R2.htm | 88902 | 2022-11-01 08:30:51 |
| R20.htm | 29554 | 2022-11-01 08:30:51 |
| R21.htm | 124477 | 2022-11-01 08:30:51 |
| R22.htm | 100050 | 2022-11-01 08:30:51 |
| R23.htm | 22949 | 2022-11-01 08:30:51 |
| R24.htm | 29557 | 2022-11-01 08:30:51 |
| R25.htm | 162823 | 2022-11-01 08:30:51 |
| R26.htm | 26763 | 2022-11-01 08:30:51 |
| R27.htm | 16693 | 2022-11-01 08:30:51 |
| R28.htm | 31482 | 2022-11-01 08:30:51 |
| R29.htm | 6107 | 2022-11-01 08:30:51 |
| R3.htm | 19387 | 2022-11-01 08:30:51 |
| R30.htm | 17953 | 2022-11-01 08:30:51 |
| R31.htm | 12299 | 2022-11-01 08:30:51 |
| R32.htm | 9504 | 2022-11-01 08:30:51 |
| R33.htm | 11726 | 2022-11-01 08:30:51 |
| R34.htm | 22087 | 2022-11-01 08:30:51 |
| R35.htm | 17203 | 2022-11-01 08:30:51 |
| R36.htm | 84304 | 2022-11-01 08:30:51 |
| R37.htm | 51552 | 2022-11-01 08:30:51 |
| R38.htm | 11586 | 2022-11-01 08:30:51 |
| R39.htm | 40957 | 2022-11-01 08:30:51 |
| R4.htm | 66870 | 2022-11-01 08:30:51 |
| R40.htm | 15681 | 2022-11-01 08:30:51 |
| R41.htm | 10003 | 2022-11-01 08:30:51 |
| R42.htm | 10154 | 2022-11-01 08:30:51 |
| R43.htm | 32808 | 2022-11-01 08:30:51 |
| R5.htm | 5443 | 2022-11-01 08:30:51 |
| R6.htm | 68348 | 2022-11-01 08:30:51 |
| R7.htm | 66581 | 2022-11-01 08:30:51 |
| R8.htm | 19273 | 2022-11-01 08:30:51 |
| R9.htm | 22225 | 2022-11-01 08:30:51 |
| report.css | 2767 | 2022-11-01 08:30:51 |
| Show.js | 1085 | 2022-11-01 08:30:51 |