Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001558370-23-005081-index-headers.html | 2023-03-30 16:10:44 | |
| 0001558370-23-005081-index.html | 2023-03-30 16:10:44 | |
| 0001558370-23-005081.txt | 2023-03-30 16:10:44 | |
 0001558370-23-005081-xbrl.zip | 383169 | 2023-03-30 16:10:44 |
| bpth-20221231.xsd | 42590 | 2023-03-30 16:10:44 |
| bpth-20221231x10k.htm | 2139420 | 2023-03-30 16:10:44 |
 bpth-20221231x10k001.jpg | 65203 | 2023-03-30 16:10:44 |
 bpth-20221231x10k002.jpg | 39428 | 2023-03-30 16:10:44 |
 bpth-20221231x10k003.jpg | 15438 | 2023-03-30 16:10:44 |
 bpth-20221231x10k004.jpg | 38194 | 2023-03-30 16:10:44 |
| bpth-20221231x10k_htm.xml | 840770 | 2023-03-30 16:10:44 |
| bpth-20221231xex23d1.htm | 6057 | 2023-03-30 16:10:44 |
| bpth-20221231xex31.htm | 13240 | 2023-03-30 16:10:44 |
| bpth-20221231xex32.htm | 8465 | 2023-03-30 16:10:44 |
| bpth-20221231_cal.xml | 32179 | 2023-03-30 16:10:44 |
| bpth-20221231_def.xml | 88403 | 2023-03-30 16:10:44 |
| bpth-20221231_lab.xml | 303745 | 2023-03-30 16:10:44 |
| bpth-20221231_pre.xml | 241090 | 2023-03-30 16:10:44 |
| FilingSummary.xml | 29195 | 2023-03-30 16:10:44 |
| Financial_Report.xlsx | 62811 | 2023-03-30 16:10:44 |
| MetaLinks.json | 479045 | 2023-03-30 16:10:44 |
| R1.htm | 66086 | 2023-03-30 16:10:44 |
| R10.htm | 5258 | 2023-03-30 16:10:44 |
| R11.htm | 32054 | 2023-03-30 16:10:44 |
| R12.htm | 4948 | 2023-03-30 16:10:44 |
| R13.htm | 5655 | 2023-03-30 16:10:44 |
| R14.htm | 16928 | 2023-03-30 16:10:44 |
| R15.htm | 110538 | 2023-03-30 16:10:44 |
| R16.htm | 41993 | 2023-03-30 16:10:44 |
| R17.htm | 6613 | 2023-03-30 16:10:44 |
| R18.htm | 47888 | 2023-03-30 16:10:44 |
| R19.htm | 6266 | 2023-03-30 16:10:44 |
| R2.htm | 84315 | 2023-03-30 16:10:44 |
| R20.htm | 65635 | 2023-03-30 16:10:44 |
| R21.htm | 46327 | 2023-03-30 16:10:44 |
| R22.htm | 30623 | 2023-03-30 16:10:44 |
| R23.htm | 106606 | 2023-03-30 16:10:44 |
| R24.htm | 42883 | 2023-03-30 16:10:44 |
| R25.htm | 47420 | 2023-03-30 16:10:44 |
| R26.htm | 59571 | 2023-03-30 16:10:44 |
| R27.htm | 21347 | 2023-03-30 16:10:44 |
| R28.htm | 6294 | 2023-03-30 16:10:44 |
| R29.htm | 12877 | 2023-03-30 16:10:44 |
| R3.htm | 15202 | 2023-03-30 16:10:44 |
| R30.htm | 25356 | 2023-03-30 16:10:44 |
| R31.htm | 10688 | 2023-03-30 16:10:44 |
| R32.htm | 17196 | 2023-03-30 16:10:44 |
| R33.htm | 67618 | 2023-03-30 16:10:44 |
| R34.htm | 25729 | 2023-03-30 16:10:44 |
| R35.htm | 9369 | 2023-03-30 16:10:44 |
| R36.htm | 47697 | 2023-03-30 16:10:44 |
| R37.htm | 22956 | 2023-03-30 16:10:44 |
| R38.htm | 16987 | 2023-03-30 16:10:44 |
| R39.htm | 11408 | 2023-03-30 16:10:44 |
| R4.htm | 48023 | 2023-03-30 16:10:44 |
| R40.htm | 8957 | 2023-03-30 16:10:44 |
| R41.htm | 14444 | 2023-03-30 16:10:44 |
| R42.htm | 22708 | 2023-03-30 16:10:44 |
| R43.htm | 12160 | 2023-03-30 16:10:44 |
| R44.htm | 28305 | 2023-03-30 16:10:44 |
| R45.htm | 31756 | 2023-03-30 16:10:44 |
| R46.htm | 28248 | 2023-03-30 16:10:44 |
| R5.htm | 58783 | 2023-03-30 16:10:44 |
| R6.htm | 33828 | 2023-03-30 16:10:44 |
| R7.htm | 8229 | 2023-03-30 16:10:44 |
| R8.htm | 17566 | 2023-03-30 16:10:44 |
| R9.htm | 5436 | 2023-03-30 16:10:44 |
| R9999.htm | 5059 | 2023-03-30 16:10:44 |
| report.css | 2767 | 2023-03-30 16:10:44 |
| Show.js | 1085 | 2023-03-30 16:10:44 |