XML 48 R26.htm IDEA: XBRL DOCUMENT
v3.20.4

Summary of significant accounting policies - Leases and Property and equipment (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Jan. 01, 2019
Leases |  |
Leases, election of practical expedients package | true |
Minimum |  |
Leases |  |
Incremental borrowing rate (as a percent) |  | 3.00%
Maximum |  |
Leases |  |
Incremental borrowing rate (as a percent) |  | 4.30%
Computer equipment and software |  |
Property and equipment |  |
Useful life | 3 years |
Furniture and fixtures |  |
Property and equipment |  |
Useful life | 7 years |
Laboratory equipment and office furniture |  |
Property and equipment |  |
Useful life | 7 years |

X
- Definition The incremental borrowing rate of the entity. + References No definition available. + Details
Name: | apre_IncrementalBorrowingRate
Namespace Prefix: | apre_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Indicates (true false) whether practical expedients are elected for not reassessing whether any expired or existing contract is or contains lease, lease classification for expired or existing lease, and initial direct cost for any existing lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 10 -Section 65 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=121329987&loc=SL77916155-209984 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 10 -Section 65 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121329987&loc=SL77916155-209984 + Details
Name: | us-gaap_LeasePracticalExpedientsPackage
Namespace Prefix: | us-gaap_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LesseeOperatingLeaseDescriptionAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_TechnologyEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=apre_OfficeFurnitureAndLaboratoryEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |