Represents the amount of bond to be posted by the plaintiff as a result of a court issued preliminary injunction.

No definition available.

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Namespace Prefix:	amph_
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- Definition

Number of Orders Issued by District Court

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
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- 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_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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- Definition

Number of another entity's patents that the entity has allegedly infringed.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationCaseAxis=amph_FalseClaimsActLitigationMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationStatusAxis=us-gaap_SettledLitigationMember
Namespace Prefix:
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Period Type:

- Details

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Litigation (Details) $ in Millions				1 Months Ended
Litigation (Details) $ in Millions	May 09, 2016 USD ($)	May 04, 2016 item	Apr. 07, 2015 USD ($)	Sep. 30, 2011 USD ($) patent
Enoxaparin Patent Litigation
Loss Contingencies [Line Items]
Number of Alleged Patent Infringements \| patent				2
Fees and costs relating to a discovery motion	$ 0.4
Litigation, Plaintiff Preliminary Injunction Bond, Amount				$ 100.1
False Claims Act Litigation
Loss Contingencies [Line Items]
Number of orders issued by district court \| item		3
Settled Litigation [Member] \| Eva Hernandez vs International Medication Systems Limited
Loss Contingencies [Line Items]
Litigation Settlement, Amount			$ 3.2