Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001104659-22-046512-index-headers.html | 2022-04-15 16:49:37 | |
| 0001104659-22-046512-index.html | 2022-04-15 16:49:37 | |
| 0001104659-22-046512.txt | 2022-04-15 16:49:37 | |
 0001104659-22-046512-xbrl.zip | 228062 | 2022-04-15 16:49:37 |
| FilingSummary.xml | 25161 | 2022-04-15 16:49:37 |
| Financial_Report.xlsx | 70014 | 2022-04-15 16:49:37 |
| MetaLinks.json | 429521 | 2022-04-15 16:49:37 |
| prbm-20211231.xsd | 51032 | 2022-04-15 16:49:37 |
| prbm-20211231x10k.htm | 1244284 | 2022-04-15 16:49:37 |
| prbm-20211231x10k_htm.xml | 548879 | 2022-04-15 16:49:37 |
| prbm-20211231xex31d1.htm | 9222 | 2022-04-15 16:49:37 |
| prbm-20211231xex31d2.htm | 8945 | 2022-04-15 16:49:37 |
| prbm-20211231xex32d1.htm | 5250 | 2022-04-15 16:49:37 |
| prbm-20211231xex32d2.htm | 5194 | 2022-04-15 16:49:37 |
| prbm-20211231_cal.xml | 28107 | 2022-04-15 16:49:37 |
| prbm-20211231_def.xml | 213528 | 2022-04-15 16:49:37 |
| prbm-20211231_lab.xml | 344531 | 2022-04-15 16:49:37 |
| prbm-20211231_pre.xml | 312741 | 2022-04-15 16:49:37 |
| R1.htm | 81121 | 2022-04-15 16:49:37 |
| R10.htm | 8351 | 2022-04-15 16:49:37 |
| R11.htm | 5167 | 2022-04-15 16:49:37 |
| R12.htm | 11624 | 2022-04-15 16:49:37 |
| R13.htm | 15382 | 2022-04-15 16:49:37 |
| R14.htm | 25389 | 2022-04-15 16:49:37 |
| R15.htm | 60087 | 2022-04-15 16:49:37 |
| R16.htm | 33838 | 2022-04-15 16:49:37 |
| R17.htm | 5425 | 2022-04-15 16:49:37 |
| R18.htm | 73870 | 2022-04-15 16:49:37 |
| R19.htm | 23538 | 2022-04-15 16:49:37 |
| R2.htm | 87554 | 2022-04-15 16:49:37 |
| R20.htm | 10608 | 2022-04-15 16:49:37 |
| R21.htm | 60940 | 2022-04-15 16:49:37 |
| R22.htm | 33351 | 2022-04-15 16:49:37 |
| R23.htm | 90670 | 2022-04-15 16:49:37 |
| R24.htm | 18319 | 2022-04-15 16:49:37 |
| R25.htm | 41766 | 2022-04-15 16:49:37 |
| R26.htm | 42875 | 2022-04-15 16:49:37 |
| R27.htm | 19308 | 2022-04-15 16:49:37 |
| R28.htm | 47362 | 2022-04-15 16:49:37 |
| R29.htm | 15211 | 2022-04-15 16:49:37 |
| R3.htm | 35584 | 2022-04-15 16:49:37 |
| R30.htm | 18815 | 2022-04-15 16:49:37 |
| R31.htm | 11802 | 2022-04-15 16:49:37 |
| R32.htm | 11079 | 2022-04-15 16:49:37 |
| R33.htm | 24316 | 2022-04-15 16:49:37 |
| R34.htm | 44069 | 2022-04-15 16:49:37 |
| R35.htm | 18067 | 2022-04-15 16:49:37 |
| R36.htm | 17246 | 2022-04-15 16:49:37 |
| R37.htm | 21926 | 2022-04-15 16:49:37 |
| R38.htm | 6927 | 2022-04-15 16:49:37 |
| R39.htm | 12339 | 2022-04-15 16:49:37 |
| R4.htm | 49667 | 2022-04-15 16:49:37 |
| R40.htm | 11105 | 2022-04-15 16:49:37 |
| R5.htm | 43536 | 2022-04-15 16:49:37 |
| R6.htm | 16043 | 2022-04-15 16:49:37 |
| R7.htm | 63841 | 2022-04-15 16:49:37 |
| R8.htm | 25932 | 2022-04-15 16:49:37 |
| R9.htm | 43831 | 2022-04-15 16:49:37 |
| report.css | 2767 | 2022-04-15 16:49:37 |
| Show.js | 1085 | 2022-04-15 16:49:37 |