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Inventories (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Inventory Disclosure [Abstract] |  |  |
Write-down of potentially obsolete or slow-moving inventories | $ 226 | $ 216,325 | $ 42,241

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- Definition Write-down of potentially obsolete or slow-moving inventories. + References No definition available. + Details
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Namespace Prefix: | petz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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