XML 13 R39.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Equity [Abstract] |
Schedule of Dividends Paid Since Approval Of The Quarterly Dividend | Dividends paid in 2013 were as follows:
Period |  | Regular dividend per share |  |  | Special dividend per share |  |  | Total dividend paid per share |  |  | Dividend paid in cash |  |  | Value of dividend paid in shares under the DRIP |  |  | Total dividend paid |  |  | Value of share discount under the DRIP |  |  | Number of shares granted under the DRIP |
First quarter 2013 |  | $ | 0.035 |  |  | $ | — |  |  | $ | 0.035 |  |  | $ | 517 |  |  | $ | 117 |  |  | $ | 634 |  |  | $ | 6 |  |  |  | 18,976 |
Year ended December 31, 2013 |  | $ | 0.035 |  |  | $ | — |  |  | $ | 0.035 |  |  | $ | 517 |  |  | $ | 117 |  |  | $ | 634 |  |  | $ | 6 |  |  |  | 18,976 |
Schedule of Option Grants to Directors and Officers | Option grants to directors and officers for the years ended December 31, 2013 and 2014 can be found below:
|  | 2013 |  |  | 2014 |
|  | Number of shares |  |  | Weighted average exercise price |  |  | Number of shares |  |  | Weighted average exercise price |
Options granted to - directors and officers during the year |  |  | *201,095 |  |  |  | 5.98 |  |  |  | 634,103 |  |  | $ | 2.12 |
Exercised by directors and officers during the year |  |  | 30,316 |  |  |  | 3.30 |  |  |  | 33,938 |  |  |  | 2.51 |
Forfeited by directors and officers during the year |  |  | 125,518 |  |  |  | 4.11 |  |  |  | 191,062 |  |  |  | 3.90 |
Number of options held by directors and officers at year end |  |  | 1,179,658 |  |  |  | 5.30 |  |  |  | 1,535,428 |  |  |  | 4.24 |
* Includes 25,000 options granted to a director of USSI.
Schedule of Fair Value Assumptions Estimated Using Black-Scholes Pricing Model | The Company utilized the Black-Scholes option-pricing model to estimate fair value, utilizing the following assumptions for the respective years (all in weighted averages):
|  | 2013 |  |  | 2014 |
Risk-free interest rate |  |  | 1.8 | % |  |  | 2.1 | %
Expected term of options, in years |  |  | 6.7 |  |  |  | 7.0 |
Expected annual volatility |  |  | 59 | % |  |  | 64 | %
Expected dividend yield |  |  | 0.2 | % |  |  | — | %
Determined weighted average grant date fair value per option |  | $ | 3.36 |  |  | $ | 1.36 |
Summary of Stock Option Plans | A summary of the Company’s option plans as of December 31, 2013 and 2014, as well as changes during each of the years then ended, is presented below:
|  | 2013 |  |  | 2014 |
|  | Number of Options (in shares) |  |  | Weighted Average Exercise Price |  |  | Number of Options (in shares) |  |  | Weighted Average Exercise Price |
Outstanding at beginning of year |  |  | 1,311,397 |  |  | $ | 5.20 |  |  |  | 1,401,658 |  |  | $ | 5.49 |
Granted at market price |  |  | 246,095 |  |  |  | 6.06 |  |  |  | 664,103 |  |  |  | 2.14 |
Exercised * |  |  | (30,316 | ) |  |  | 3.30 |  |  |  | (33,938 | ) |  |  | 2.51 |
Forfeited or expired |  |  | (125,518 | ) |  |  | 4.11 |  |  |  | (219,395 | ) |  |  | 3.96 |
Outstanding at end of year |  |  | 1,401,658 |  |  |  | 5.49 |  |  |  | 1,812,428 |  |  |  | 4.51 |
Exercisable at end of year |  |  | 1,029,507 |  |  | $ | 5.06 |  |  |  | 1,128,434 |  |  | $ | 5.56 |
* All shares issued in connection with option exercises were newly issued shares.
Summary of Option Exercises between Cashless Net Exercises and Cash Exercises | The breakdown of option exercises between cashless net exercises and cash exercises is as follows the years ended December 31, 2013 and 2014:
|  |  | Shares granted in net exercise of options |  |  | Options forfeited in net exercise of options |  |  | Total net exercise options |  |  | Weighted average exercise price for net exercise options |  |  | Options exercised for cash |  |  | Weighted average exercise price for options exercised for cash |
Year ended December 31, 2013 |  |  |  | 30,316 |  |  |  | 102,184 |  |  |  | 132,500 |  |  | $ | 3.30 |  |  |  | — |  |  |  | — |
Year ended December 31, 2014 |  |  |  | 33,938 |  |  |  | 76,062 |  |  |  | 110,000 |  |  | $ | 2.51 |  |  |  | — |  |  |  | — |
Summary Information Regarding to Options Outstanding and Exercisable | Summary information regarding the options outstanding and exercisable at December 31, 2014 is as follows:
|  |  | Outstanding |  |  | Exercisable |
Range of Exercise Prices |  |  | Number Outstanding |  |  | Weighted Average Remaining Contractual Life |  |  | Weighted Average Exercise Price |  |  | Number Exercisable |  |  | Weighted Average Exercise Price |
|  |  | (in shares) |  |  | (in years) |  |  |  |  |  | (in shares) |  |  |  |
$0.97 – $2.56 |  |  |  | 560,615 |  |  |  | 6.3 |  |  | $ | 1.64 |  |  |  | 65,500 |  |  | $ | 2.35 |  |
$3.51 – $5.00 |  |  |  | 426,264 |  |  |  | 4.5 |  |  | $ | 4.19 |  |  |  | 336,388 |  |  | $ | 4.24 |  |
$5.05 – $5.91 |  |  |  | 332,500 |  |  |  | 3.3 |  |  | $ | 5.22 |  |  |  | 332,500 |  |  | $ | 5.22 |  |
$6.31 – $7.57 |  |  |  | 329,690 |  |  |  | 5.2 |  |  | $ | 6.87 |  |  |  | 264,021 |  |  | $ | 6.86 |  |
$7.60 – $11.42 |  |  |  | 163,359 |  |  |  | 4.8 |  |  | $ | 8.82 |  |  |  | 130,025 |  |  | $ | 8.78 |  |
|  |  |  | 1,812,428 |  |  |  |  |  |  |  |  |  |  |  | 1,128,434 |  |  |  |  |  |
Stock-Based Compensation Expense Included In Statements of Operations | Stock-based compensation expense included in the Company’s Statements of Operations was:
|  | Year ended December 31, |
|  | 2013 |  |  | 2014 |
Research and development expense |  | $ | — |  |  | $ | 35 |
Selling, general and administrative expense |  |  | 927 |  |  |  | 830 |
Total |  | $ | 927 |  |  | $ | 865 |
Summary Status of DSIT Plan | A summary status of the DSIT Plan as of December 31, 2013 and 2014, as well as changes during the years then ended, is presented below:
|  | 2013 |  |  | 2014 |
|  | Number of Options (in shares) |  |  | Weighted Average Exercise Price |  |  | Number of Options (in shares) |  |  | Weighted Average Exercise Price |
Outstanding at beginning of year |  |  | 238,764 |  |  | $ | 1.69 |  |  |  | 243,924 |  |  | $ | 1.78 |
Granted at fair value |  |  | 6,700 | * |  | $ | 2.70 |  |  |  | — |  |  | $ | — |
Exercised |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | — |
Forfeited |  |  | (1,540 | )* |  | $ | 2.70 |  |  |  | (4,500 | ) |  | $ | 2.41 |
Outstanding at end of year |  |  | 243,924 |  |  | $ | 1.78 |  |  |  | 239,424 |  |  | $ | 1.67 |
Exercisable at end of year |  |  | 101,904 |  |  | $ | 1.51 |  |  |  | 101,904 |  |  | $ | 1.45 |
* The weighted average exercise price of these grants and forfeitures are NIS 9.38 translated to US dollars using the year end exchange rates (NIS 3.47 and NIS 3.89 for the years ended December 31, 2013 and 2014, respectively)
Summary Information Regarding Options Plan Outstanding and Exercisable | Summary information regarding the options under the Plan outstanding and exercisable at December 31, 2014 is as follows:
|  |  | Outstanding |  |  | Exercisable |
Range of Exercise Prices |  |  | Number Outstanding |  |  | Weighted Average Remaining Contractual Life |  |  | Weighted Average Exercise Price |  |  | Number Exercisable |  |  | Weighted Average Exercise Price |
|  |  | (in shares) |  |  | (in years) |  |  |  |  |  | (in shares) |  |  |  |
$1.05 – $1.26 |  |  |  | 147,770 |  |  |  | 3.6 |  |  | $ | 1.18 |  |  |  | 81,068 |  |  | $ | 1.20 |
$2.41 |  |  |  | 91,654 |  |  |  | 3.6 |  |  | $ | 2.41 |  |  |  | 20,836 |  |  | $ | 2.41 |
|  |  |  | 239,424 |  |  |  |  |  |  | $ | 1.67 |  |  |  | 101,904 |  |  | $ | 1.45 |
Summary Status of USSI 2012 Stock Option Plan | A summary status of the USSI 2012 Stock Option Plan as of December 31, 2013 and 2014, as well as changes during the years then ended, is presented below:
|  | 2013 |  |  | 2014 |
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |  |  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Life |
|  | (in shares) |  |  |  |  |  | (in years) |  |  | (in shares) |  |  |  |  |  | (in years) |
Outstanding at beginning of year |  |  | 632,375 |  |  | $ | 1.72 |  |  |  |  |  |  |  | 636,375 |  |  |  | 1.72 |  |  |  |  |
Granted at fair value |  |  | 50,000 |  |  |  | 1.72 |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |  | — |  |  |  | — |  |  |  |  |
Forfeited |  |  | (46,000 | ) |  |  | 1.72 |  |  |  |  |  |  |  | (277,687 | ) |  |  | 1.72 |  |  |  |  |
Outstanding at end of year |  |  | 636,375 |  |  |  | 1.72 |  |  |  | 5.7 |  |  |  | 358,688 |  |  |  | 1.72 |  |  |  | 4.7 |
Exercisable at end of year |  |  | 460,619 |  |  | $ | 1.72 |  |  |  | 5.7 |  |  |  | 312,126 |  |  |  | 1.72 |  |  |  | 4.7 |
Summary of Warrant Activity | The Company has issued warrants at exercise prices equal to or greater than market value of the Company’s common stock at the date of issuance. A summary of warrant activity follows:
|  | 2013 |  |  | 2014 |
|  | Number of shares underlying warrants |  |  | Weighted Average Exercise Price |  |  | Number of shares underlying warrants |  |  | Weighted Average Exercise Price |
Outstanding at beginning of year |  |  | 28,750 |  |  | $ | 3.68 |  |  |  | 285,281 |  |  | $ | 3.18 |
Granted |  |  | 262,281 |  |  |  | 3.14 |  |  |  | 2,357,142 |  |  |  | 1.30 |
Exercised |  |  | (5,750 | ) |  |  | 3.68 |  |  |  | — |  |  |  | — |
Forfeited or expired |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Outstanding and exercisable at end of year |  |  | 285,281 |  |  | $ | 3.18 |  |  |  | 2,642,423 |  |  | $ | 1.50 |

X
- Definition Dividends Paid Disclosure [Table Text Block] + References No definition available. + Details
Name: | ACFN_DividendsPaidTableTextBlock
Namespace Prefix: | ACFN_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of cashless net exercises and cash exercises [Table Text Block] + References No definition available. + Details
Name: | ACFN_ScheduleOfCashlessNetExercisesAndCashExercisesTableTextBlock
Namespace Prefix: | ACFN_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Share-based Compensation, Shares Authorized under DSIT Stock Option Plans, by Exercise Price Range [Table Text Block] + References No definition available. + Details
Name: | ACFN_ScheduleOfShareBasedCompensationSharesAuthorizedUnderDsitStockOptionPlansByExercisePriceRangeTableTextBlock
Namespace Prefix: | ACFN_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Share-based Compensation, Stock Options, DSIT Activity [Table Text Block] + References No definition available. + Details
Name: | ACFN_ScheduleOfShareBasedCompensationStockOptionsDsitActivityTableTextBlock
Namespace Prefix: | ACFN_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Share-based Compensation, Stock Options, USSI Activity [Table Text Block] + References No definition available. + Details
Name: | ACFN_ScheduleOfShareBasedCompensationStockOptionsUssiActivityTableTextBlock
Namespace Prefix: | ACFN_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share based compensation grants to directors and officers [Table Text Block] + References No definition available. + Details
Name: | ACFN_ShareBasedCompensationGrantsToDirectorsAndOfficersTableTextBlock
Namespace Prefix: | ACFN_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of warrant activity [Table Text Block] + References No definition available. + Details
Name: | ACFN_SummaryOfWarrantActivityTableTextBlock
Namespace Prefix: | ACFN_
Data Type: | nonnum:textBlockItemType
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 Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration