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Note 13 - Activity of Business Segments - Consolidated Net Property and Equipment, Goodwill and Intangible Assets (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Building Supply | $ 5,798,000 | $ 6,122,000
Operating Segments [Member] |  |
Building Supply | 4,722,000 | 5,019,000
Operating Segments [Member] | Building Supply [Member] |  |
Building Supply | 3,395,000 | 3,600,000
Operating Segments [Member] | Disposable Protective Apparel [Member] |  |
Building Supply | 1,327,000 | 1,419,000
Corporate, Non-Segment [Member] |  |
Building Supply | $ 1,076,000 | $ 1,103,000

X
- Definition Total consolidated assets + References No definition available. + Details
Name: | apt_TotalConsolidatedAssets
Namespace Prefix: | apt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=apt_BuildingSupplyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=apt_DisposableProtectiveApparelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |