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| 0001437749-19-008260-index.html | 2019-04-30 11:59:02 | |
| 0001437749-19-008260.txt | 2019-04-30 11:59:02 | |
 0001437749-19-008260-xbrl.zip | 101916 | 2019-04-30 11:59:02 |
| ex_140725.htm | 16226 | 2019-04-30 11:59:02 |
| ex_140726.htm | 16235 | 2019-04-30 11:59:02 |
| ex_140727.htm | 8615 | 2019-04-30 11:59:02 |
| FilingSummary.xml | 35556 | 2019-04-30 11:59:02 |
| Financial_Report.xlsx | 53041 | 2019-04-30 11:59:02 |
| prlb-20190331.xml | 1134156 | 2019-04-30 11:59:02 |
| prlb-20190331.xsd | 49208 | 2019-04-30 11:59:02 |
| prlb-20190331_cal.xml | 50142 | 2019-04-30 11:59:02 |
| prlb-20190331_def.xml | 325190 | 2019-04-30 11:59:02 |
| prlb-20190331_lab.xml | 280169 | 2019-04-30 11:59:02 |
| prlb-20190331_pre.xml | 361379 | 2019-04-30 11:59:02 |
| prlb20190331_10q.htm | 1025240 | 2019-04-30 11:59:02 |
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| report.css | 2767 | 2019-04-30 11:59:02 |
| Show.js | 1085 | 2019-04-30 11:59:02 |