XML 67 R83.htm IDEA: XBRL DOCUMENT v2.4.0.8

EQUITY Dividend Reinvestment Plan (Details)	3 Months Ended						12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity [Abstract]
Shares available under dividend reinvestment plan							600,000
Discount to market price - dividend reinvestment plan							5.00%
Stock Issued During Period, Shares, Dividend Reinvestment Plan	18,976	14,305	8,429	0	0	0	18,976	22,734	0

X

- Definition

The discount rate from market value on purchase date that participants pay for shares under the dividend reinvestment plan

+ References

No definition available.

+ Details

Name:	acfn_DiscountToMarketPriceDividendReinvestmentPlan
Namespace Prefix:	acfn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Shares available under dividend reinvestment plan

+ References

No definition available.

+ Details

Name:	acfn_SharesAvailableUnderDividendReinvestmentPlan
Namespace Prefix:	acfn_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Details

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

X

- Definition

Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration