XML 63 R59.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 11 - Settlement of Acquisition Obligations (Details) - Classification in Consolidated Statement of Operations (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Change in estimate of contingent liabilities: |  |  |
Change in estimate of contingent liabilities | $ 12 | $ (102) | $ (411)
Settlement of acquisition obligations: |  |  |
Settlement of Acquisition Obligations | 892 |  | (56)
Forgiveness of Net Receivable Due The Company [Member] |  |  |
Change in estimate of contingent liabilities: |  |  |
Change in estimate of contingent liabilities | 78 |  |
Adjustment to Performance-Related Contingent Obligation [Member] |  |  |
Change in estimate of contingent liabilities: |  |  |
Change in estimate of contingent liabilities | (66) |  |
Special Fee [Member] |  |  |
Settlement of acquisition obligations: |  |  |
Settlement of Acquisition Obligations | 500 |  |
Convertible Promissory Note - TLC Investments LLC [Member] |  |  |
Settlement of acquisition obligations: |  |  |
Settlement of Acquisition Obligations | 592 |  |
Cash Payment by The Company [Member] |  |  |
Settlement of acquisition obligations: |  |  |
Settlement of Acquisition Obligations | $ (200) |  |

X
- Details
Name: | efoi_ChangeInEstimateOfContingentLiabilitiesAbstract
Namespace Prefix: | efoi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | efoi_SettlementOfAcquisitionObligationsAbstract
Namespace Prefix: | efoi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of (increase) decrease in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e7008-128479 + Details
Name: | us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629 + Details
Name: | us-gaap_GainsLossesOnExtinguishmentOfDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration