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Nature of Operations - Additional Information (Detail) - Momspot LLC [Member]	Feb. 12, 2016	Jul. 12, 2013
Nature Of Operations And Going Concern [Line Items]
Business acquisition, percentage of voting interests acquired		51.00%
Subsequent Event [Member]
Nature Of Operations And Going Concern [Line Items]
Ownership interest sold	51.00%
Ownership interest in non-controlling owners	49.00%

X

- Definition

Minority interest ownership percentage sold by parent.

+ References

No definition available.

+ Details

Name:	atrn_MinorityInterestOwnershipPercentageSoldByParent
Namespace Prefix:	atrn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Nature Of Operations And Going Concern [Line Items]

+ References

No definition available.

+ Details

Name:	atrn_NatureOfOperationsAndGoingConcernLineItems
Namespace Prefix:	atrn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=atrn_MomspotLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: