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SHARE-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2015
SHARE-BASED COMPENSATION [Abstract] |
Fair Value of Each Option Grant Estimated | The fair value of each option grant was estimated on the date of grant using the Black-Scholes option-pricing model with the following assumptions shown as a weighted average for the year:
|  | Six Months Ended June 30, |
|  | 2015 |  |  | 2014 |
Expected option life |  | 5.25 years |  |  | 6 years |
Risk-free interest rate |  |  | 1.49-1.68 | % |  |  | 2.31 - 2.73 | %
Expected volatility |  |  | 36.29-39.58 | % |  |  | 36.74% - 37.20 | %
Dividend yield |  |  | 0 | % |  |  | 0 | %
Summary of Company's Restricted Stock Activity | A summary of the Company's restricted stock activity during the six months ended June 30, 2015 is as follows:
|  | Shares |  |  | Weighted Average Grant Date Fair Value |
Unvested – December 31, 2014 |  |  | 338,702 |  |  | $ | 4.26 |
Granted |  |  | 1,539,114 |  |  | $ | 9.14 |
Vested |  |  | (977,753 | ) |  | $ | 8.54 |
Forfeitures |  |  | - |  |  | $ | - |
Unvested – June 30, 2015 |  |  | 900,063 |  |  | $ | 7.97 |
Summary of Company's Stock Option Activity | A summary of the Company’s stock option activity during the six months ended June 30, 2015 is as follows:
|  | Shares |  |  | Weighted Average Exercise Price |
Outstanding – December 31, 2014 |  |  | 3,573,141 |  |  | $ | 4.27 |
Granted |  |  | 691,205 |  |  | $ | 8.82 |
Exercised |  |  | - |  |  | $ | - |
Forfeitures |  |  | (4,335 | ) |  | $ | 2.79 |
Outstanding – June 30, 2015 |  |  | 4,260,011 |  |  | $ | 5.01 |
Eligible for exercise |  |  | 2,126,747 |  |  | $ | 4.99 |
Intrinsic Values and Remaining Contractual Terms of Company's Stock Options | The following table summarizes the intrinsic values and remaining contractual terms of the Company’s stock options (in thousands):
|  | Intrinsic Value |  |  | Weighted Average Remaining Life in Years |
Options outstanding – June 30, 2015 |  | $ | 15,674 |  |  |  | 9.2 |
Options exercisable – June 30, 2015 |  | $ | 7,669 |  |  |  | 9.0 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited 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 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 Tabular disclosure of the number of fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both options (or share units) currently outstanding and options (or share units) exercisable (or convertible). + 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 (e) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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