Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001144204-18-018611-index-headers.html | 2018-04-02 16:06:36 | |
| 0001144204-18-018611-index.html | 2018-04-02 16:06:36 | |
| 0001144204-18-018611.txt | 2018-04-02 16:06:36 | |
 0001144204-18-018611-xbrl.zip | 127485 | 2018-04-02 16:06:36 |
| bpth-20171231.xml | 898440 | 2018-04-02 16:06:36 |
| bpth-20171231.xsd | 50290 | 2018-04-02 16:06:36 |
| bpth-20171231_cal.xml | 32243 | 2018-04-02 16:06:36 |
| bpth-20171231_def.xml | 301777 | 2018-04-02 16:06:36 |
| bpth-20171231_lab.xml | 366681 | 2018-04-02 16:06:36 |
| bpth-20171231_pre.xml | 343909 | 2018-04-02 16:06:36 |
| FilingSummary.xml | 30082 | 2018-04-02 16:06:36 |
| Financial_Report.xlsx | 55259 | 2018-04-02 16:06:36 |
| R1.htm | 30100 | 2018-04-02 16:06:36 |
| R10.htm | 6103 | 2018-04-02 16:06:36 |
| R11.htm | 25741 | 2018-04-02 16:06:36 |
| R12.htm | 5582 | 2018-04-02 16:06:36 |
| R13.htm | 7132 | 2018-04-02 16:06:36 |
| R14.htm | 8592 | 2018-04-02 16:06:36 |
| R15.htm | 81250 | 2018-04-02 16:06:36 |
| R16.htm | 10416 | 2018-04-02 16:06:36 |
| R17.htm | 63532 | 2018-04-02 16:06:36 |
| R18.htm | 43169 | 2018-04-02 16:06:36 |
| R19.htm | 16060 | 2018-04-02 16:06:36 |
| R2.htm | 64888 | 2018-04-02 16:06:36 |
| R20.htm | 7197 | 2018-04-02 16:06:36 |
| R21.htm | 72060 | 2018-04-02 16:06:36 |
| R22.htm | 5969 | 2018-04-02 16:06:36 |
| R23.htm | 72982 | 2018-04-02 16:06:36 |
| R24.htm | 25311 | 2018-04-02 16:06:36 |
| R25.htm | 49530 | 2018-04-02 16:06:36 |
| R26.htm | 104060 | 2018-04-02 16:06:36 |
| R27.htm | 44766 | 2018-04-02 16:06:36 |
| R28.htm | 10722 | 2018-04-02 16:06:36 |
| R29.htm | 66462 | 2018-04-02 16:06:36 |
| R3.htm | 17441 | 2018-04-02 16:06:36 |
| R30.htm | 70931 | 2018-04-02 16:06:36 |
| R31.htm | 56080 | 2018-04-02 16:06:36 |
| R32.htm | 4745 | 2018-04-02 16:06:36 |
| R33.htm | 10650 | 2018-04-02 16:06:36 |
| R34.htm | 21757 | 2018-04-02 16:06:36 |
| R35.htm | 4781 | 2018-04-02 16:06:36 |
| R36.htm | 13808 | 2018-04-02 16:06:36 |
| R37.htm | 23726 | 2018-04-02 16:06:36 |
| R38.htm | 12931 | 2018-04-02 16:06:36 |
| R39.htm | 14484 | 2018-04-02 16:06:36 |
| R4.htm | 35620 | 2018-04-02 16:06:36 |
| R40.htm | 12244 | 2018-04-02 16:06:36 |
| R41.htm | 53218 | 2018-04-02 16:06:36 |
| R42.htm | 11817 | 2018-04-02 16:06:36 |
| R43.htm | 53974 | 2018-04-02 16:06:36 |
| R44.htm | 20580 | 2018-04-02 16:06:36 |
| R45.htm | 27021 | 2018-04-02 16:06:36 |
| R46.htm | 30180 | 2018-04-02 16:06:36 |
| R47.htm | 9807 | 2018-04-02 16:06:36 |
| R48.htm | 7203 | 2018-04-02 16:06:36 |
| R49.htm | 27885 | 2018-04-02 16:06:36 |
| R5.htm | 58662 | 2018-04-02 16:06:36 |
| R50.htm | 30746 | 2018-04-02 16:06:36 |
| R51.htm | 29880 | 2018-04-02 16:06:36 |
| R52.htm | 6608 | 2018-04-02 16:06:36 |
| R6.htm | 33103 | 2018-04-02 16:06:36 |
| R7.htm | 25825 | 2018-04-02 16:06:36 |
| R8.htm | 36945 | 2018-04-02 16:06:36 |
| R9.htm | 6405 | 2018-04-02 16:06:36 |
| report.css | 2767 | 2018-04-02 16:06:36 |
| Show.js | 1410 | 2018-04-02 16:06:36 |
| tv488319_10k.htm | 1008640 | 2018-04-02 16:06:36 |
| tv488319_ex21-1.htm | 1433 | 2018-04-02 16:06:36 |
| tv488319_ex23-1.htm | 2650 | 2018-04-02 16:06:36 |
| tv488319_ex31.htm | 8516 | 2018-04-02 16:06:36 |
| tv488319_ex32.htm | 4819 | 2018-04-02 16:06:36 |
| tv488319_ex4-9.htm | 108990 | 2018-04-02 16:06:36 |
 tv488319_img1.jpg | 70936 | 2018-04-02 16:06:36 |
 tv488319_img10.jpg | 68378 | 2018-04-02 16:06:36 |
 tv488319_img11.jpg | 28486 | 2018-04-02 16:06:36 |
 tv488319_img12.jpg | 43481 | 2018-04-02 16:06:36 |
 tv488319_img13.jpg | 24672 | 2018-04-02 16:06:36 |
 tv488319_img2.jpg | 44446 | 2018-04-02 16:06:36 |
 tv488319_img3.jpg | 62184 | 2018-04-02 16:06:36 |
 tv488319_img4.jpg | 62777 | 2018-04-02 16:06:36 |
 tv488319_img5.jpg | 70988 | 2018-04-02 16:06:36 |
 tv488319_img6.jpg | 79596 | 2018-04-02 16:06:36 |
 tv488319_img7.jpg | 73964 | 2018-04-02 16:06:36 |
 tv488319_img8.jpg | 34138 | 2018-04-02 16:06:36 |
 tv488319_img9.jpg | 96968 | 2018-04-02 16:06:36 |