Principal Business Activity and Significant Accounting Policies - (Details) $ in Millions	6 Months Ended
Jun. 30, 2020 state segment item location	May 19, 2020 USD ($)
Principal Business Activity and Significant Accounting Policies
Number of points of distribution \| item	60,000
Number of retail pharmacy locations \| location	3,400
Number of states in which the entity provides veterinary services to pet owners \| state	41
Number of reportable segments \| segment	2
Debt Instrument, Face Amount		$ 143.8
Notes Payable, Fair Value Disclosure		$ 194.4

The number of points of distribution across retail and e-commerce channels.

No definition available.

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- Definition

Represents the number of retail pharmacy locations.

+ References

No definition available.

+ Details

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- Definition

Represents the number of states in which the entity provides veterinary services to pet owners.

+ References

No definition available.

+ Details

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Namespace Prefix:	petq_
Data Type:	xbrli:integerItemType
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- References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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- Definition

Fair value portion of notes payable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20,22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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