XML 37 R89.htm IDEA: XBRL DOCUMENT
v2.4.0.6

EQUITY Directors and Officers (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Equity [Abstract] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period - related parties | 211,898 | 141,666 | 95,000
Weighted average exercise price of options granted - related parties | $ 8.02 | $ 4.51 | $ 4.82
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercised in Period - related parties | 199,697 | 159,779 | 67,500
Weighted average exercise price of options exercised - related parties | $ 3.12 | $ 2.64 | $ 2.36
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period - related parties | 127,803 | 351,221 | 120,000
Weighted average exercise price of options forfeited - related parties | $ 5.75 | $ 3.00 | $ 6.13
Share-based Compensation Arrangement by Share-based Payment Award, Options, Held at end of the Period - related parties | 1,134,397 | 1,199,999 | 1,574,665
Weighted average exercise price of options held - related parties | $ 4.95 | $ 4.13 | $ 3.69

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercised in Period - related parties + References No definition available. + Details
Name: | acfn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisedInPeriodRelatedParties
Namespace Prefix: | acfn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period - related parties + References No definition available. + Details
Name: | acfn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodRelatedParties
Namespace Prefix: | acfn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period - related parties + References No definition available. + Details
Name: | acfn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodRelatedParties
Namespace Prefix: | acfn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Held at end of the Period - related parties + References No definition available. + Details
Name: | acfn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsHeldAtEndOfPeriodRelatedParties
Namespace Prefix: | acfn_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average exercise price of options exercised - related parties + References No definition available. + Details
Name: | acfn_WeightedAverageExercisePriceOfOptionsExercisedRelatedParties
Namespace Prefix: | acfn_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price of options forfeited - related parties + References No definition available. + Details
Name: | acfn_WeightedAverageExercisePriceOfOptionsForfeitedRelatedParties
Namespace Prefix: | acfn_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price of options granted - related parties + References No definition available. + Details
Name: | acfn_WeightedAverageExercisePriceOfOptionsGrantedRelatedParties
Namespace Prefix: | acfn_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price of options held - related parties + References No definition available. + Details
Name: | acfn_WeightedAverageExercisePriceOfOptionsHeldRelatedParties
Namespace Prefix: | acfn_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration