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EQUITY Share-based compensation expense (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Equity [Abstract] |  |  |  |
Share based compensation expense in cost of sales | $ 44 | $ 0 | $ 44 | $ 0
Share based compensation expense in research and development expense | 10 | 68 | 31 | 68
Share based compensation expense in selling, general and administrative expense | 329 | 340 | 907 | 522
Share-based Compensation | $ 383 | $ 408 | $ 982 | $ 590

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- Definition Share based compensation expense in cost of sales + References No definition available. + Details
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- Definition Share based compensation expense in research and development expense + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Share based compensation expense in selling, general and administrative expense + References No definition available. + Details
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Namespace Prefix: | acfn_
Data Type: | xbrli:monetaryItemType
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- Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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