Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001437749-20-003547-index-headers.html | 2020-02-26 11:18:29 | |
| 0001437749-20-003547-index.html | 2020-02-26 11:18:29 | |
| 0001437749-20-003547.txt | 2020-02-26 11:18:29 | |
 0001437749-20-003547-xbrl.zip | 344860 | 2020-02-26 11:18:29 |
| ex_167007.htm | 8377 | 2020-02-26 11:18:29 |
| ex_167008.htm | 2482 | 2020-02-26 11:18:29 |
| ex_167009.htm | 30333 | 2020-02-26 11:18:29 |
| ex_167011.htm | 12366 | 2020-02-26 11:18:29 |
| ex_167012.htm | 12349 | 2020-02-26 11:18:29 |
| ex_167013.htm | 8074 | 2020-02-26 11:18:29 |
| ex_172513.htm | 21725 | 2020-02-26 11:18:29 |
| FilingSummary.xml | 54872 | 2020-02-26 11:18:29 |
| Financial_Report.xlsx | 88852 | 2020-02-26 11:18:29 |
 image02.jpg | 42837 | 2020-02-26 11:18:29 |
| MetaLinks.json | 769624 | 2020-02-26 11:18:29 |
| prlb-20191231.xsd | 78267 | 2020-02-26 11:18:29 |
| prlb-20191231_cal.xml | 84976 | 2020-02-26 11:18:29 |
| prlb-20191231_def.xml | 566858 | 2020-02-26 11:18:29 |
| prlb-20191231_lab.xml | 475186 | 2020-02-26 11:18:29 |
| prlb-20191231_pre.xml | 620233 | 2020-02-26 11:18:29 |
| prlb20191231_10k.htm | 2371239 | 2020-02-26 11:18:29 |
| prlb20191231_10k_htm.xml | 2000486 | 2020-02-26 11:18:29 |
 protograph.jpg | 56409 | 2020-02-26 11:18:29 |
| R1.htm | 59188 | 2020-02-26 11:18:29 |
| R10.htm | 26672 | 2020-02-26 11:18:29 |
| R11.htm | 34616 | 2020-02-26 11:18:29 |
| R12.htm | 80700 | 2020-02-26 11:18:29 |
| R13.htm | 31929 | 2020-02-26 11:18:29 |
| R14.htm | 53287 | 2020-02-26 11:18:29 |
| R15.htm | 22749 | 2020-02-26 11:18:29 |
| R16.htm | 16642 | 2020-02-26 11:18:29 |
| R17.htm | 5525 | 2020-02-26 11:18:29 |
| R18.htm | 6803 | 2020-02-26 11:18:29 |
| R19.htm | 171558 | 2020-02-26 11:18:29 |
| R2.htm | 78286 | 2020-02-26 11:18:29 |
| R20.htm | 45950 | 2020-02-26 11:18:29 |
| R21.htm | 22571 | 2020-02-26 11:18:29 |
| R22.htm | 114862 | 2020-02-26 11:18:29 |
| R23.htm | 5479 | 2020-02-26 11:18:29 |
| R24.htm | 79421 | 2020-02-26 11:18:29 |
| R25.htm | 5285 | 2020-02-26 11:18:29 |
| R26.htm | 92369 | 2020-02-26 11:18:29 |
| R27.htm | 34840 | 2020-02-26 11:18:29 |
| R28.htm | 24691 | 2020-02-26 11:18:29 |
| R29.htm | 29913 | 2020-02-26 11:18:29 |
| R3.htm | 20096 | 2020-02-26 11:18:29 |
| R30.htm | 78764 | 2020-02-26 11:18:29 |
| R31.htm | 25826 | 2020-02-26 11:18:29 |
| R32.htm | 48382 | 2020-02-26 11:18:29 |
| R33.htm | 20656 | 2020-02-26 11:18:29 |
| R34.htm | 15682 | 2020-02-26 11:18:29 |
| R35.htm | 160283 | 2020-02-26 11:18:29 |
| R36.htm | 39464 | 2020-02-26 11:18:29 |
| R37.htm | 20540 | 2020-02-26 11:18:29 |
| R38.htm | 109622 | 2020-02-26 11:18:29 |
| R39.htm | 80657 | 2020-02-26 11:18:29 |
| R4.htm | 56295 | 2020-02-26 11:18:29 |
| R40.htm | 53669 | 2020-02-26 11:18:29 |
| R41.htm | 18408 | 2020-02-26 11:18:29 |
| R42.htm | 21709 | 2020-02-26 11:18:29 |
| R43.htm | 20998 | 2020-02-26 11:18:29 |
| R44.htm | 48444 | 2020-02-26 11:18:29 |
| R45.htm | 39290 | 2020-02-26 11:18:29 |
| R46.htm | 6564 | 2020-02-26 11:18:29 |
| R47.htm | 17876 | 2020-02-26 11:18:29 |
| R48.htm | 12426 | 2020-02-26 11:18:29 |
| R49.htm | 33995 | 2020-02-26 11:18:29 |
| R5.htm | 60528 | 2020-02-26 11:18:29 |
| R50.htm | 16095 | 2020-02-26 11:18:29 |
| R51.htm | 11855 | 2020-02-26 11:18:29 |
| R52.htm | 22654 | 2020-02-26 11:18:29 |
| R53.htm | 8483 | 2020-02-26 11:18:29 |
| R54.htm | 3396 | 2020-02-26 11:18:29 |
| R55.htm | 21930 | 2020-02-26 11:18:29 |
| R56.htm | 12075 | 2020-02-26 11:18:29 |
| R57.htm | 4690 | 2020-02-26 11:18:29 |
| R58.htm | 12786 | 2020-02-26 11:18:29 |
| R59.htm | 55117 | 2020-02-26 11:18:29 |
| R6.htm | 85149 | 2020-02-26 11:18:29 |
| R60.htm | 14399 | 2020-02-26 11:18:29 |
| R61.htm | 21180 | 2020-02-26 11:18:29 |
| R62.htm | 24456 | 2020-02-26 11:18:29 |
| R63.htm | 37311 | 2020-02-26 11:18:29 |
| R64.htm | 21993 | 2020-02-26 11:18:29 |
| R65.htm | 26176 | 2020-02-26 11:18:29 |
| R66.htm | 13998 | 2020-02-26 11:18:29 |
| R67.htm | 16904 | 2020-02-26 11:18:29 |
| R68.htm | 8687 | 2020-02-26 11:18:29 |
| R69.htm | 12282 | 2020-02-26 11:18:29 |
| R7.htm | 17974 | 2020-02-26 11:18:29 |
| R70.htm | 18305 | 2020-02-26 11:18:29 |
| R71.htm | 5471 | 2020-02-26 11:18:29 |
| R72.htm | 14736 | 2020-02-26 11:18:29 |
| R73.htm | 23503 | 2020-02-26 11:18:29 |
| R74.htm | 8858 | 2020-02-26 11:18:29 |
| R75.htm | 24808 | 2020-02-26 11:18:29 |
| R76.htm | 31821 | 2020-02-26 11:18:29 |
| R77.htm | 37277 | 2020-02-26 11:18:29 |
| R78.htm | 9809 | 2020-02-26 11:18:29 |
| R79.htm | 10728 | 2020-02-26 11:18:29 |
| R8.htm | 46246 | 2020-02-26 11:18:29 |
| R80.htm | 9033 | 2020-02-26 11:18:29 |
| R81.htm | 10339 | 2020-02-26 11:18:29 |
| R82.htm | 8394 | 2020-02-26 11:18:29 |
| R83.htm | 8486 | 2020-02-26 11:18:29 |
| R9.htm | 43144 | 2020-02-26 11:18:29 |
| report.css | 2767 | 2020-02-26 11:18:29 |
| Show.js | 1085 | 2020-02-26 11:18:29 |