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EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Assumptions Used to Estimate Fair Value | The fair value of the Company's stock options granted to employees for the years ended December 31, 2016, 2015 and 2014 was estimated using the following weighted average assumptions:
|  | Year ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Risk free interest |  |  | 1.08%-1.62 | % |  |  | 1.24%-1.61 | % |  |  | 1.43%-1.73 | %
Dividend yields |  |  | 0 | % |  |  | 0 | % |  |  | 0 | %
Volatility |  |  | 33%-35 | % |  |  | 33%-34 | % |  |  | 34%-36 | %
Expected term (in years) |  |  | 4.8 |  |  |  | 4.8 |  |  |  | 4.8 |
Employee [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Stock Option Activity | A summary of employee option balances under the 2008 Plan as of December 31, 2016 and changes during the year ended December 31, 2016 are as follows:
|  | Number of options |  |  | Weighted-average exercise price |  |  | Weighted- average remaining contractual term (in years) |  |  | Aggregate intrinsic value (in thousands) |
Outstanding at January 1, 2016 |  |  | 1,501,100 |  |  | $ | 5.0 |  |  |  | 4.3 |  |  | $ | 74 |
Granted |  |  | 1,267,500 |  |  | $ | 4.9 |  |  |  |  |  |  |  |  |
Exercised |  |  | (171,100 | ) |  | $ | 3.3 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (197,500 | ) |  | $ | 5.7 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2016 |  |  | 2,400,000 |  |  | $ | 5.0 |  |  |  | 4.4 |  |  | $ | 380 |
Exercisable at December 31, 2016 |  |  | 753,081 |  |  | $ | 5.1 |  |  |  | 3.3 |  |  | $ | 101 |
Vested and expected to vest at December 31, 2016 |  |  | 2,270,670 |  |  | $ | 5.0 |  |  |  | 4.4 |  |  | $ | 360 |
A summary of employee option balances under the Plans as of December 31, 2015 and 2014 and changes during the years ended on those dates are as follows:
|  | Year ended December 31, |
|  | 2015 |  |  | 2014 |
|  | Number of options |  |  | Weighted average exercise price |  |  | Number of options |  |  | Weighted average exercise price |
Options outstanding at beginning of year |  |  | 4,431,383 |  |  | $ | 5.0 |  |  |  | 5,374,000 |  |  | $ | 5.0 |
Granted |  |  | 570,000 |  |  | $ | 5.5 |  |  |  | 600,000 |  |  | $ | 5.2 |
Exercised |  |  | (1,307,448 | ) |  | $ | 4.3 |  |  |  | (272,000 | ) |  | $ | 4.0 |
Expired |  |  | (1,209,005 | ) |  | $ | 5.7 |  |  |  | (21,750 | ) |  | $ | 6.5 |
Forfeited |  |  | (983,830 | ) |  | $ | 5.5 |  |  |  | (1,248,867 | ) |  | $ | 5.2 |
Options outstanding at end of year |  |  | 1,501,100 |  |  | $ | 5.0 |  |  |  | 4,431,383 |  |  | $ | 5.0 |
Options exercisable at end of year |  |  | 555,182 |  |  | $ | 4.7 |  |  |  | 3,357,465 |  |  | $ | 5.2 |
Schedule of Stock Option Activity by Exercise Price | The outstanding and exercisable options granted to employees under the 2008 Plan as of December 31, 2016, have been separated into ranges of exercise price as follows:
|  |  | Options |  |  | Weighted |  |  |  |  |  | Options |  |  | Weighted |
|  |  | outstanding |  |  | average |  |  | Weighted |  |  | exercisable |  |  | average exercise |
Ranges of |  |  | as of |  |  | remaining |  |  | average |  |  | as of |  |  | price of |
exercise |  |  | December 31, |  |  | contractual |  |  | exercise |  |  | December 31, |  |  | exercisable |
price |  |  | 2016 |  |  | life (years) |  |  | price |  |  | 2016 |  |  | options |
$ | 3.14-4.62 |  |  |  | 360,000 |  |  |  | 4.2 |  |  | $ | 4.1 |  |  |  | 104,250 |  |  | $ | 4.0 |
$ | 4.79-6.72 |  |  |  | 2,040,000 |  |  |  | 4.5 |  |  | $ | 5.2 |  |  |  | 648,831 |  |  | $ | 5.3 |
|  |  |  |  | 2,400,000 |  |  |  | 4.4 |  |  | $ | 5.0 |  |  |  | 753,081 |  |  | $ | 5.1 |
Summary of Restricted Stock Activity | The following table summarizes information regarding the number of RSUs issued and outstanding as of December 31, 2016, 2015 and 2014 and changes during the years ended on those dates: Employees:
|  | Year ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
|  | Number of RSUs |  |  | Weighted average grant date fair value |  |  | Number of RSUs |  |  | Weighted average grant date fair value |  |  | Number of RSUs |  |  | Weighted average grant date fair value |
RSUs outstanding at the beginning of the year |  |  | 244,200 |  |  | $ | 4.1 |  |  |  | 571,625 |  |  | $ | 4.1 |  |  |  | 991,276 |  |  | $ | 4.1 |
Vested |  |  | (214,350 | ) |  | $ | 4.0 |  |  |  | (281,675 | ) |  | $ | 4.0 |  |  |  | (323,650 | ) |  | $ | 4.1 |
Forfeited |  |  | (21,750 | ) |  | $ | 5.0 |  |  |  | (45,750 | ) |  | $ | 3.9 |  |  |  | (96,001 | ) |  | $ | 4.1 |
RSUs outstanding at the end of the year |  |  | 8,100 |  |  | $ | 5.8 |  |  |  | 244,200 |  |  | $ | 4.1 |  |  |  | 571,625 |  |  | $ | 4.1 |

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- 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
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- 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
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- 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
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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