XML 31 R33.htm IDEA: XBRL DOCUMENT v2.4.1.9

Goodwill and Intangible Assets - Changes in Carrying Amounts of Goodwill by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Goodwill, Beginning balance	$ 1,031us-gaap_Goodwill
Translation Adjustments	(12)us-gaap_GoodwillTranslationAdjustments
Goodwill, Ending balance	1,019us-gaap_Goodwill
Energy & Security Sonar Solutions [Member]
Goodwill, Beginning balance	518us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ACFN_EnergySecuritySonarSolutionsSegmentMember
Translation Adjustments	(12)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = ACFN_EnergySecuritySonarSolutionsSegmentMember
Goodwill, Ending balance	506us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ACFN_EnergySecuritySonarSolutionsSegmentMember
GridSense [Member]
Goodwill, Beginning balance	513us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ACFN_GridSenseSegmentMember
Translation Adjustments
Goodwill, Ending balance	$ 513us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = ACFN_GridSenseSegmentMember

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

+ Details

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (f)

-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

+ Details

Name:	us-gaap_GoodwillTranslationAdjustments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ACFN_EnergySecuritySonarSolutionsSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=ACFN_GridSenseSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: