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STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2016
STOCK-BASED COMPENSATION [Abstract] |
Employee and Non-employee Restricted Stock Plan | The following table provides certain information regarding the shares authorized and outstanding under the Restricted Stock Plans at June 30, 2016:
Number of shares authorized for grants |  |  | 1,300,000 |
Number of shares granted |  |  | (883,199 | )
Number of shares forfeited |  |  | 158,876 |
Number of shares expired from 2005 plan |  |  | (81,527 | )
Number of shares available for future grants |  |  | 494,150 |
Weighted-average grant price of granted shares |  | $ | 28.26 |
Changes in Restricted Stock | Changes in restricted stock for the six months ended June 30, 2016 were as follows:
|  | Number of Shares |  |  | Weighted Average Grant Price |
Non-vested at December 31, 2015 |  |  | 137,507 |  |  | $ | 54.58 |
Granted |  |  | 10,000 |  |  | $ | 16.35 |
Forfeited |  |  | (15,000 | ) |  | $ | 91.56 |
Vested |  |  | (46,642 | ) |  | $ | 52.32 |
Non-vested at June 30, 2016 |  |  | 85,865 |  |  | $ | 44.89 |

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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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- Definition Tabular disclosure of the change in restricted stock units (RSUs). + References No definition available. + Details
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