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Severance Charge (Severance Accrual) (Details) | 12 Months Ended
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Dec. 31, 2015 USD ($)
Severance Charge [Abstract] |
Accrued severance, December 31, 2014 | $ 555,000
Payments in 2015 | (529,000)
Additions in 2015 | 282,000
Accrued severance, September 30, 2015 | $ 308,000

X
- Definition Represents additions made during the current fiscal year to the severance accrual. + References No definition available. + Details
Name: | aphb_AdditionsToSeveranceAccrualCurrentYear
Namespace Prefix: | aphb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of employee benefit accrued liabilities during the period. + References No definition available. + Details
Name: | aphb_EmployeeBenefitAccuredLiabilities
Namespace Prefix: | aphb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the total cash outflows for employee severance costs during the period. + References No definition available. + Details
Name: | aphb_PaymentsForSeveranceCosts
Namespace Prefix: | aphb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | aphb_SeveranceChargeAbstract
Namespace Prefix: | aphb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration