Fair Value of Financial Assets and Liabilities - Derivative Instruments (Details 1) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Derivatives And Fair Value [Line Items]
Balance, Warrant Liability		$ 16,871,000us-gaap_WarrantsAndRightsOutstanding
Balance, Series B Redeemable Preferred Stock		40,791,000aphb_PrefferedBStockConversionLiability
Balance, Warrant Liability	5,826,000us-gaap_WarrantsAndRightsOutstanding	16,871,000us-gaap_WarrantsAndRightsOutstanding
Balance, Series B Redeemable Preferred Stock	12,320,000aphb_PrefferedBStockConversionLiability	40,791,000aphb_PrefferedBStockConversionLiability
Series B Redeemable Preferred Stock [Member]
Derivatives And Fair Value [Line Items]
Balance, Series B Redeemable Preferred Stock	40,791,000
Reclassification To Equity Upon Conversion Or Exercise	(707,000)
Changes In Estimated Fair Value	(27,764,000)
Balance, Series B Redeemable Preferred Stock	12,320,000
Warrant Liability [Member]
Derivatives And Fair Value [Line Items]
Balance, Warrant Liability	16,871,000
Reclassification To Equity Upon Conversion Or Exercise	(1,590,000)
Changes In Estimated Fair Value	(9,455,000)
Balance, Warrant Liability	$ 5,826,000

The amount represents changes in estimated fair values during the period.

No definition available.

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- Details

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- Definition

Represents the total value of preferred stock conversion liability as on period end date.

+ References

No definition available.

+ Details

Name:	aphb_PrefferedBStockConversionLiability
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount represents reclassification to equity upon conversion or exercise during the period.

+ References

No definition available.

+ Details

Name:	aphb_ReclassificationToEquityUponConversionOrExercise
Namespace Prefix:	aphb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

+ Details

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Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_WarrantMember
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- Details

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